Products
- 2-Oxetanone, polymer with[2,2,3,3,4,4,5,5,6,6,7,7,8,9,9,9-hexadecafluoro-8-(trifluoromethyl)nonyl]oxiraneOTHER CA INDEX NAMES:Oxirane,[2,2,3,3,4,4,5,5,6,6,7,7,8,9,9,9-hexadecafluoro-8-(trifluoromethyl)nonyl]-, polymer with 2-oxetanone
- Dispiro[bicyclo[3.2.1]octane-8,3'-[1,2]dioxetane-4',8''-bicyclo[3.2.1]octane], stereoisomer
- Furan, tetrahydro-, polymer with 3,3-bis(azidomethyl)oxetane and1,3-diisocyanato-2-methylbenzeneOTHER CA INDEX NAMES:Benzene, 1,3-diisocyanato-2-methyl-, polymer with3,3-bis(azidomethyl)oxetane and tetrahydrofuranOxetane, 3,3-bis(azidomethyl)-, polymer with1,3-diisocyanato-2-methylbenzene and tetrahydrofuran
- 2-Oxetaneacetic acid, 2-carboxy-4-oxo-, polymer with1,3-diisocyanatomethylbenzene,a-hydro-w-hydroxypoly[oxy(methyl-1,2-ethanediyl)], 2-hydroxyethyl2-methyl-2-propenoate and 2-methyl-2-propenoic acidOTHER CA INDEX NAMES:2-Propenoic acid, 2-methyl-, 2-hydroxyethyl ester, polymer with2-carboxy-4-oxo-2-oxetaneacetic acid,1,3-diisocy
- 2-Oxetanone, 4-methyl-, polymer with 4,5-dihydro-2-methyloxazoleOTHER CA INDEX NAMES:Oxazole, 4,5-dihydro-2-methyl-, polymer with 4-methyl-2-oxetanone
- Acetic acid ethenyl ester, polymer with chloroethene and 2-oxetanoneOTHER CA INDEX NAMES:2-Oxetanone, polymer with chloroethene and ethenyl acetateEthene, chloro-, polymer with ethenyl acetate and 2-oxetanone
- Oxepane, polymer with 3,3-dimethyloxetane, methyloxirane and oxiraneOTHER CA INDEX NAMES:Oxetane, 3,3-dimethyl-, polymer with methyloxirane, oxepane andoxiraneOxirane, methyl-, polymer with 3,3-dimethyloxetane, oxepane andoxiraneOxirane, polymer with 3,3-dimethyloxetane, methyloxirane and oxepane
- Pentanoic acid,5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- 2,5-Pyrrolidinedione,1-[3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxopropoxy]-, (1a,2a,3b,4b,5a,7b)-
- 2,5-Pyrrolidinedione,1-[4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxobutoxy]-, (1a,2a,3b,4b,5a,7b)-
- 2,5-Pyrrolidinedione,1-[[5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxopentyl]oxy]-, (1a,2a,3b,4b,5a,7b)-
- Propanoic acid,3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- Butanoic acid,4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- Pentanoic acid,5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- 2,5-Pyrrolidinedione,1-[3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxopropoxy]-, (1a,2a,3b,4a,5a,7b)-
- 2,5-Pyrrolidinedione,1-[4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxobutoxy]-, (1a,2a,3b,4a,5a,7b)-
- 2,5-Pyrrolidinedione,1-[[5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-1-oxopentyl]oxy]-, (1a,2a,3b,4a,5a,7b)-
- 1-Propanol,3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- 1-Butanol,4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- 1-Pentanol,5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- Propanoic acid,3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- Butanoic acid,4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4b,5a,7b)-
- 2,5-Pyrrolidinedione,1-[[6-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,3]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan-2-yl]amino)-1,6-dioxohexyl]oxy]-,(1a,2a,3b,4b,5a,7b)-
- 1-Pentanol,5-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- 1-Propanol,3-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- 1-Butanol,4-(dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decan]-4-yloxy)-, (1a,2a,3b,4a,5a,7b)-
- 2-Oxetanone, 3-(4-isocyanatobutyl)-4-(5-isocyanatopentylidene)-,polymer with a-hydro-w-hydroxypoly(oxy-1,4-butanediyl)OTHER CA INDEX NAMES:Poly(oxy-1,4-butanediyl), a-hydro-w-hydroxy-, polymer with3-(4-isocyanatobutyl)-4-(5-isocyanatopentylidene)-2-oxetanone
- Hexanedioic acid, polymer with 1,4-butanediol and3-(4-isocyanatobutyl)-4-(5-isocyanatopentylidene)-2-oxetanoneOTHER CA INDEX NAMES:1,4-Butanediol, polymer with hexanedioic acid and3-(4-isocyanatobutyl)-4-(5-isocyanatopentylidene)-2-oxetanone2-Oxetanone, 3-(4-isocyanatobutyl)-4-(5-isocyanatopentylidene)-,polymer with 1,4-butanedi
- Ethanone, 1-(3-hydroxy-3-methyl-4,4-diphenyl-2-oxetanyl)-, cis-
- 3-Oxetanemethanol, 3-ethyl-, polymer with oxiraneOTHER CA INDEX NAMES:Oxirane, polymer with 3-ethyl-3-oxetanemethanol
- Oxetane, 3-[(4-bromobutoxy)methyl]-3-methyl-, polymer with3,3-dimethyloxetaneOTHER CA INDEX NAMES:Oxetane, 3,3-dimethyl-, polymer with3-[(4-bromobutoxy)methyl]-3-methyloxetane
- 3,5-Pyridinedicarboxylic acid,4-[3-chloro-6-fluoro-2-(trifluoromethyl)phenyl]-2-(fluoromethyl)-1,4-dihydro-6-methyl-, 3-methyl 5-(3-oxetanyl) ester
- 3,5-Pyridinedicarboxylic acid,4-[3,6-difluoro-2-(trifluoromethyl)phenyl]-2-(fluoromethyl)-1,4-dihydro-6-methyl-, 3-methyl 5-(3-oxetanyl) ester
- 3,5-Pyridinedicarboxylic acid,4-[3-chloro-6-fluoro-2-(trifluoromethyl)phenyl]-2-(fluoromethyl)-1,4-dihydro-6-methyl-, 3-methyl 5-[(3-methyl-3-oxetanyl)methyl] ester
- 3,5-Pyridinedicarboxylic acid,4-[3-cyano-6-fluoro-2-(trifluoromethyl)phenyl]-2-(fluoromethyl)-1,4-dihydro-6-methyl-, 3-methyl 5-[(3-methyl-3-oxetanyl)methyl] ester
- 3,5-Pyridinedicarboxylic acid,4-[3-cyano-6-fluoro-2-(trifluoromethyl)phenyl]-2-(fluoromethyl)-1,4-dihydro-6-methyl-, 3-methyl 5-(3-oxetanyl) ester
- 1,6-Hexanediamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,6-hexanediamine
- 1,4-Butanediamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,4-butanediamine
- 1,8-Octanediamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,8-octanediamine
- 1,12-Dodecanediamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,12-dodecanediamine
- 1,3-Benzenedimethanamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,3-benzenedimethanamine
- Cyclohexanamine, 4,4'-methylenebis[2-methyl-, polymer with2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with4,4'-methylenebis[2-methylcyclohexanamine]
- Piperazine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with piperazine
- 1,4-Benzenediamine, polymer with 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,4-benzenediamine
- 1,3-Benzenedimethanamine, polymer with piperazine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,3-benzenedimethanamineand piperazinePiperazine, polymer with 1,3-benzenedimethanamine and2,2,3,3-tetrafluorooxetane
- 1,6-Hexanediamine, polymer with piperazine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with 1,6-hexanediamine andpiperazinePiperazine, polymer with 1,6-hexanediamine and2,2,3,3-tetrafluorooxetane
- 1,3-Benzenedimethanamine, polymer with4,4'-methylenebis[2-methylcyclohexanamine] and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Cyclohexanamine, 4,4'-methylenebis[2-methyl-, polymer with1,3-benzenedimethanamine and 2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,3-benzenedimethanamineand 4,4'-methylene
- 1,6-Hexanediamine, polymer with4,4'-methylenebis[2-methylcyclohexanamine] and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Cyclohexanamine, 4,4'-methylenebis[2-methyl-, polymer with1,6-hexanediamine and 2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,6-hexanediamine and4,4'-methylenebis[2-methylcyclohexa
- 1,3-Benzenedimethanamine, polymer with 1,6-hexanediamine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:1,6-Hexanediamine, polymer with 1,3-benzenedimethanamine and2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,3-benzenedimethanamineand 1,6-hexanediamine
- 1,6-Hexanediamine, polymer with 1,4-butanediamine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:1,4-Butanediamine, polymer with 1,6-hexanediamine and2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,4-butanediamine and1,6-hexanediamine
- 1,8-Octanediamine, polymer with 1,6-hexanediamine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:1,6-Hexanediamine, polymer with 1,8-octanediamine and2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,6-hexanediamine and1,8-octanediamine
- 1,12-Dodecanediamine, polymer with 1,6-hexanediamine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:1,6-Hexanediamine, polymer with 1,12-dodecanediamine and2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,12-dodecanediamine and1,6-hexanediamine
- 1,3-Benzenedimethanamine, polymer with4,4'-methylenebis[2-methylcyclohexanamine], piperazine and2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Cyclohexanamine, 4,4'-methylenebis[2-methyl-, polymer with1,3-benzenedimethanamine, piperazine and 2,2,3,3-tetrafluorooxetaneOxetane, 2,2,3,3-tetrafluoro-, polymer with 1,3-benzenedimetha
- Cyclohexanamine, 4,4'-methylenebis[2-methyl-, polymer with piperazineand 2,2,3,3-tetrafluorooxetaneOTHER CA INDEX NAMES:Oxetane, 2,2,3,3-tetrafluoro-, polymer with4,4'-methylenebis[2-methylcyclohexanamine] and piperazinePiperazine, polymer with 4,4'-methylenebis[2-methylcyclohexanamine]and 2,2,3,3-tetrafluorooxetane
- Spiro[3H-benz[e]isoindole-3,2'-oxetan]-1(2H)-one,2,3',3',4',4'-pentamethyl-
- Spiro[1H-benz[e]isoindole-1,2'-oxetan]-3(2H)-one,2,3',3',4',4'-pentamethyl-
- Spiro[1H-benz[e]isoindole-1,2'-oxetan]-3(2H)-one,2-methyl-3',4'-diphenyl-
- Dispiro[tricyclo[3.3.1.13,7]decane-2,3'-[1,2]dioxetane-4',2''-tricyclo[3.3.1.13,7]decane], 4-chloro-, (1a,2a,3b,4b,5a,7b)-
- Ethanone, 1-(4-butoxy-3,3-dimethyl-2-oxetanyl)-, cis-
- Ethanone, 1-[2-methyl-3-[(2-methyl-2-propenyl)oxy]-2-oxetanyl]-, trans-
- Ethanone, 1-[2,3,3-trimethyl-4-[(2-methyl-2-propenyl)oxy]-2-oxetanyl]-,cis-
- Spiro[1H-benz[f]isoindole-1,2'-oxetan]-3(2H)-one,2,3'-dimethyl-3'-phenyl-, cis-
- Spiro[1H-benz[f]isoindole-1,2'-oxetan]-3(2H)-one,2-methyl-3',4'-diphenyl-
- Spiro[1H-benz[f]isoindole-1,2'-oxetan]-3(2H)-one,2,3',3',4',4'-pentamethyl-
- 2-Oxetanone, 3,3-dimethyl-, polymer with (1-methylethenyl)benzene,1-methyl-4-(1-methylethenyl)benzene and 2-methyl-1-propeneOTHER CA INDEX NAMES:1-Propene, 2-methyl-, polymer with 3,3-dimethyl-2-oxetanone,(1-methylethenyl)benzene and 1-methyl-4-(1-methylethenyl)benzeneBenzene, (1-methylethenyl)-, polymer with 3,3-dimethyl-2-oxet
- 2-Oxetanone, 3,3-dimethyl-, polymer with ethenylbenzene,(1-methylethenyl)benzene and 2-methyl-1-propeneOTHER CA INDEX NAMES:1-Propene, 2-methyl-, polymer with 3,3-dimethyl-2-oxetanone,ethenylbenzene and (1-methylethenyl)benzeneBenzene, (1-methylethenyl)-, polymer with 3,3-dimethyl-2-oxetanone,ethenylbenzene and 2-methyl-1-propen
- L-Leucine, N-acetyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2S-[2a(S*),3b]]-
- b-Alanine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2S-[2a(S*),3b]]-
- L-Leucine, N-formyl-, 2-(3-hexyl-4-oxo-2-oxetanyl)-1-methylethyl ester,[2S-[2a(R*),3b]]-
- L-Leucine, N-formyl-, 1-[(3-methyl-4-oxo-2-oxetanyl)methyl]dodecylester, [2S-[2a(S*),3b]]-
- L-Leucine, N-formyl-, 2-(3-hexadecyl-4-oxo-2-oxetanyl)-1-methylethylester
- L-Leucine, N-formyl-, 1-[[4-oxo-3-(2-propenyl)-2-oxetanyl]methyl]dodecylester
- L-Leucine, N-formyl-,1-[[4-oxo-3-(phenylmethyl)-2-oxetanyl]methyl]-9,12-octadecadienylester, [2S-[2a(1S*,9Z,12Z),3b]]-
- L-Leucine, N-formyl-,1-[(3-ethyl-4-oxo-2-oxetanyl)methyl]-9,12-octadecadienyl ester,[2S-[2a(1R*,9Z,12Z),3b]]-
- L-Leucine, N-formyl-, 1-[(3-ethyl-4-oxo-2-oxetanyl)methyl]-9-octadecenylester, [2S-[2a(1R*,9Z),3b]]-
- L-Leucine, N-formyl-,2-(3-hexyl-4-oxo-2-oxetanyl)-1-(4-phenoxyphenyl)ethyl ester,[2S-[2a(R*),3b]]-
- L-Leucine, N-formyl-,2-(3-ethyl-4-oxo-2-oxetanyl)-1-(4-phenoxyphenyl)ethyl ester,[2S-[2a(S*),3b]]-
- L-Leucine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]octadecylester, [2S-[2a(R*),3b]]-
- L-Leucine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]-4-pentenylester
- L-Leucine, N-formyl-, 1-[(3-ethyl-4-oxo-2-oxetanyl)methyl]octadecylester, [2S-[2a(R*),3b]]-
- L-Leucine, N-[(phenylmethoxy)carbonyl]-,1-[(3-ethyl-4-oxo-2-oxetanyl)methyl]octadecyl ester, [2S-[2a(R*),3b]]-
- L-Leucine, N-[[(phenylmethyl)amino]carbonyl]-,1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester
- L-Valine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2R-[2a(R*),3b]]-
- L-Leucine, N-formyl-,1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]-9,12-octadecadienyl ester,[2S-[2a(1R*,9Z,12Z),3b]]-
- Glycine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2S-[2a(S*),3b]]-
- Platinum, dihydroxy(3,3-oxetanedimethanamine-N,N')-, (SP-4-2)-
- Platinum, (3,3-oxetanedimethanamine-N,N')[propanedioato(2-)-O,O]-,(SP-4-2)-
- Platinum,[1,1-cyclobutanedicarboxylato(2-)](3,3-oxetanedimethanamine-N,N')-,(SP-4-2)-
- Platinum, dichloro(3,3-oxetanedimethanamine-N,N')-, (SP-4-2)-
- L-Leucine, N-formyl-,1-[[4-oxo-3-(phenylmethyl)-2-oxetanyl]methyl]-9,12-octadecadienylester, [2S-[2a(1R*,9Z,12Z),3b]]-
- L-Leucine, N-formyl-,1-[[4-oxo-3-(phenylmethyl)-2-oxetanyl]methyl]-9,12-octadecadienylester, [2R-[2a(1R*,9Z,12Z),3b]]-
- L-Leucine, N-formyl-,1-[(3-ethyl-4-oxo-2-oxetanyl)methyl]-9,12-octadecadienyl ester
- D-Leucine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2R-[2a(R*),3b]]-
- D-Leucine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2S-[2a(R*),3b]]-
- L-Leucine, N-acetyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2R-[2a(S*),3b]]-
- L-Leucine, N-formyl-, 2-(3-hexyl-4-oxo-2-oxetanyl)-1-methylethyl ester,[2R-[2a(S*),3b]]-
- L-Leucine, N-formyl-, 1-[(3-methyl-4-oxo-2-oxetanyl)methyl]dodecylester, [2R-[2a(R*),3b]]-
- L-Leucine, N-formyl-,2-(3-hexyl-4-oxo-2-oxetanyl)-1-(4-phenoxyphenyl)ethyl ester,[2S-[2a(S*),3b]]-
- L-Valine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2S-[2a(S*),3b]]-
- L-Valine, N-formyl-, 1-[(3-hexyl-4-oxo-2-oxetanyl)methyl]dodecyl ester,[2R-[2a(S*),3b]]-