Products
- 1H-Isoindole-1,3(2H)-dione, 2-[(3,4-dihydro-2H-pyran-2-yl)methyl]-, (S)-
- Ethanone,1,1'-[4-(3,4-dihydro-2H-pyran-2-yl)-1,4-dihydro-2,6-dimethyl-3,5-pyridinediyl]bis-
- Methanone,[2-(3,4-dichlorophenyl)-3,4-dihydro-2H-pyrano[2,3-b]pyridin-6-yl]phenyl-
- 2H-Pyrano[3,2-b]pyridine-7-carboxylic acid,6-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3,4-dihydro-, compd. with 2-propanamine (1:1)OTHER CA INDEX NAMES:2-Propanamine,6-[4,5-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-3,4-dihydro-2H-pyrano[3,2-b]pyridine-7-carboxylate
- 2-Azetidinone,3-[(3,4-dihydro-2H-pyran-2-yl)carbonyl]-1-[(1,1-dimethylethyl)dimethylsilyl]-4-[(triphenylmethyl)thio]-
- 2-Azetidinone,3-[(3,4-dihydro-2H-pyran-2-yl)hydroxymethyl]-1-[(1,1-dimethylethyl)dimethylsilyl]-4-[(triphenylmethyl)thio]-
- 2-Azetidinone,3-[(3,4-dihydro-2H-pyran-2-yl)hydroxymethyl]-4-[(triphenylmethyl)thio]-
- 2-Azetidinone,3-[(acetyloxy)(3,4-dihydro-2H-pyran-2-yl)methyl]-4-[(triphenylmethyl)thio]-
- 1-Azetidineacetic acid,3-[(acetyloxy)(3,4-dihydro-2H-pyran-2-yl)methyl]-2-oxo-4-[(triphenylmethyl)thio]-a-(triphenylphosphoranylidene)-, (4-nitrophenyl)methyl ester
- 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(acetyloxy)(3,4-dihydro-2H-pyran-2-yl)methyl]-7-oxo-,(4-nitrophenyl)methyl ester, (5a,6a)-(±)-
- 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(3,4-dihydro-2H-pyran-2-yl)methylene]-7-oxo-, (4-nitrophenyl)methylester
- 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(3,4-dihydro-2H-pyran-2-yl)methylene]-7-oxo-, sodium salt
- 4-Thia-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid,6-[(3,4-dihydro-2H-pyran-2-yl)methylene]-7-oxo-
- Nickel,[[6,6'-(7,16-dihydro-6,8,15,17-tetramethyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecine-7,16-diyl)bis[3,4-dihydro-2H-pyran-2-onato]](2-)-N,N',N'',N''']-, (SP-4-1)-
- Nickel,[[6,6'-(7,16-dihydro-6,17-dimethyl-8,15-diphenyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecine-7,16-diyl)bis[3,4-dihydro-2H-pyran-2-onato]](2-)-N,N',N'',N''']-, (SP-4-2)-
- Nickel,[6-(7,16-dihydro-6,17-dimethyl-8,15-diphenyldibenzo[b,i][1,4,8,11]tetraazacyclotetradecin-7-yl)-3,4-dihydro-2H-pyran-2-onato(2-)-N,N',N'',N''']-, (SP-4-4)-
- Cyclopentanone, 3-[(3,4-dihydro-2H-pyran-2-yl)methyl]-, (R*,R*)-
- Cyclopentanone, 3-[(3,4-dihydro-2H-pyran-2-yl)methyl]-, (R*,S*)-
- 2,4-Undecadien-6-ol, 1-(3,4-dihydro-2H-pyran-6-yl)-, (E,E)-(±)-
- Propanedioic acid,[1-[2-(3,4-dihydro-2H-pyran-6-yl)ethyl]-4-hydroxy-2-nonenyl]-, dimethylester
- 2,4-Undecadien-6-ol, 1-(3,4-dihydro-2H-pyran-6-yl)-, (E,Z)-(±)-
- Silane, [[1-(3,4-dihydro-2H-pyran-2-yl)-2-propenyl]oxy]methyldiphenyl-,(R*,R*)-
- Silane, [[1-(3,4-dihydro-2H-pyran-2-yl)-2-propenyl]oxy]methyldiphenyl-,(R*,S*)-
- 1H-Isoindole-1,3(2H)-dione,2-[6-(chloromethyl)-2-ethoxy-3,4-dihydro-2H-pyran-4-yl]-, cis-(±)-
- Acetic acid,[4-[2-[3-(carboxymethoxy)-4,5-dichlorobenzoyl]-2,5-diethyl-3,4-dihydro-2H-pyran-6-yl]-2,3-dichlorophenoxy]-
- Boron, (3,4-dihydro-2H-pyran)trihydro-, (T-4)-
- Ferrocene,1,1'-[carbonyl[4-(3-chlorophenyl)-2-ethoxy-3,4-dihydro-2H-pyran-5,6-diyl]]-
- 2H-Pyran,2-[[4-(3,4-dihydro-2H-pyran-6-yl)-2-methyl-2-butenyl]oxy]tetrahydro-
- Silane,[2-(3,4-dihydro-2H-pyran-6-yl)ethoxy](1,1-dimethylethyl)diphenyl-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-methyl-25-(1-methylethyl)-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13,25-dimethyl-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-25-ethyl-13-methyl-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethyl-25-(1-methylethyl)-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethyl-25-methyl-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13,25-diethyl-, (6R,13R,25R)-
- 2H-Pyran-2-methanol,3-(acetyloxy)-6-[[4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-3,4-dihydro-2H-pyran-2-yl]methyl]-3,6-dihydro-, acetate, [2R-[2a,3b,6b(2R*,4S*)]]-
- Sulfoximinium,S-[2-(3,4-dihydro-2H-pyran-5-yl)-2-oxoethyl]-N,N,S-trimethyl-, inner salt
- Methanaminium, N,N,N-trimethyl-,(OC-6-21)-pentacarbonyl[(3,4-dihydro-2H-pyran-6-yl)carbonyl]chromate(1-)OTHER CA INDEX NAMES:Chromate(1-), pentacarbonyl[(3,4-dihydro-2H-pyran-6-yl)carbonyl]-,(OC-6-21)-, N,N,N-trimethylmethanaminium
- Milbemycin B,5-O-demethyl-28-deoxy-13-[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]-6,28-epoxy-25-ethyl-, (6R,13R,25R)-
- Milbemycin B,28-deoxy-13-[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]-5-O-[(1,1-dimethylethyl)dimethylsilyl]-6,28-epoxy-25-ethyl-, (6R,13R,25R)-
- 2H-Pyran,2-[[7-[(3,4-dihydro-2H-pyran-6-yl)methoxy]heptyl]oxy]tetrahydro-
- 2H-Pyran,2,2'-[[1-[[(3,4-dihydro-2H-pyran-6-yl)methoxy]methyl]-1,7-heptanediyl]bis(oxy)]bis[tetrahydro-
- Thiazole, 2-[2-(3,4-dihydro-2H-pyran-2-yl)ethenyl]-, (E)-
- Thiazole, 2-[2-(3,4-dihydro-2H-pyran-2-yl)ethenyl]-, (Z)-
- Silane,[[1-[(3,4-dihydro-2H-pyran-4-yl)oxy]ethenyl]oxy](1,1-dimethylethyl)dimethyl-, (S)-
- Bicyclo[2.2.2]oct-5-en-2-ol,2-(3,4-dihydro-2H-pyran-6-yl)-6-methoxy-5,8,8-trimethyl-,(1a,2b,4a)-(±)-
- Bicyclo[2.2.2]oct-5-en-2-ol,2-(3,4-dihydro-2H-pyran-6-yl)-6-methoxy-5,8,8-trimethyl-,(1a,2a,4a)-(±)-
- Benzoic acid,4-[1-[[[2-methoxy-4-[(2-methyl-1-oxo-2-propenyl)amino]phenyl]amino]carbonyl]-3,3-dimethyl-2-oxobutoxy]-, polymer withN-[(3,4-dihydro-2H-pyran-2-yl)methyl]-2-propenamideOTHER CA INDEX NAMES:2-Propenamide, N-[(3,4-dihydro-2H-pyran-2-yl)methyl]-, polymer with4-[1-[[[2-methoxy-4-[(2-methyl-1-oxo-2-propenyl)amino]phenyl]
- Silane, [[1-(3,4-dihydro-2H-pyran-2-yl)-2-butenyl]oxy]methyldiphenyl-,[R*,S*-(E)]-
- Silane, [[1-(3,4-dihydro-2H-pyran-2-yl)-2-butenyl]oxy]methyldiphenyl-,[R*,S*-(Z)]-
- Ethanone,2,2,2-trichloro-1-(2-ethoxy-4-ethyl-3,4-dihydro-2H-pyran-5-yl)-, trans-(±)-
- Ethanone,2,2,2-trichloro-1-(2-ethoxy-4-ethyl-3,4-dihydro-2H-pyran-5-yl)-, cis-(±)-
- Methanone,[2-[(3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-yl)sulfinyl]-1H-benzimidazol-5-yl]phenyl-
- Methanone,[2-[(3,4-dihydro-2H-pyrano[3,2-b]pyridin-4-yl)thio]-1H-benzimidazol-5-yl]phenyl-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-(1-methylethyl)-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-ethyl-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-methyl-, (6R,13R,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-(1-methylethyl)-, (6R,13S,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-ethyl-, (6R,13S,25R)-
- Milbemycin B,5-O-demethyl-28-deoxy-5-O-[[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]oxy]acetyl]-6,28-epoxy-13-ethenyl-25-methyl-, (6R,13S,25R)-
- Aluminum, (3,4-dihydro-2H-pyran)triethyl-, (T-4)-
- Aluminum, (2-ethoxy-3,4-dihydro-2H-pyran-O1)triethyl-, (T-4)-
- Acetamide,2-chloro-N-[(3,4-dihydro-2H-pyran-2-ylidene)methyl]-N-2-propenyl-
- Acetamide,2-chloro-N-[(3,4-dihydro-2H-pyran-2-ylidene)methyl]-N-(1-methylethyl)-
- Propanamide,3-chloro-2,2-bis(chloromethyl)-N-[(3,4-dihydro-2H-pyran-2-ylidene)methyl]-N-2-propenyl-
- Propanamide,3-chloro-2,2-bis(chloromethyl)-N-cyclohexyl-N-[(3,4-dihydro-2H-pyran-2-ylidene)methyl]-
- 1,3-Dioxane,4-[[(5-butyl-3,4-dihydro-2H-pyran-2-yl)oxy]methyl]-2-methyl-
- 1,3-Dioxane,4-[[[5-[2-(1,1-dimethylethoxy)ethyl]-3,4-dihydro-2H-pyran-2-yl]oxy]methyl]-2-methyl-
- 1,3-Dioxane,4-[[[5-[2-(1,1-dimethylethoxy)ethyl]-3,4-dihydro-2H-pyran-2-yl]oxy]methyl]-2,2-dimethyl-
- 1,3-Dioxane,4-[2-[[5-[2-(1,1-dimethylethoxy)ethyl]-3,4-dihydro-2H-pyran-2-yl]oxy]ethyl]-2-methyl-
- 1,3-Dioxane,4-[[[5-[2-(1,1-dimethylethoxy)propyl]-3,4-dihydro-2H-pyran-2-yl]oxy]methyl]-2-methyl-
- 1,3-Dioxane,4-[[[5-[2-(1,1-dimethylethoxy)propyl]-3,4-dihydro-2H-pyran-2-yl]oxy]methyl]-2,2-dimethyl-
- Silane,[[2-[[5,6-dihydro-5-methyl-6-(1-methylpropyl)-2H-pyran-2-yl]methyl]-3,4-dihydro-2H-pyran-4-yl]oxy](1,1-dimethylethyl)dimethyl-,[2R-[2a(2R*,4S*),5a,6b(S*)]]-
- Piperidine,1-[6-(4-bromophenyl)-4-(4-butylcyclohexyl)-3,4-dihydro-2H-pyran-2-yl]-
- Piperidine,1-[6-(4-bromophenyl)-4-(4-hexylcyclohexyl)-3,4-dihydro-2H-pyran-2-yl]-
- Silane, [[2-(2-heptenyl)-3,4-dihydro-2H-pyran-6-yl]oxy]trimethyl-, (Z)-
- Cuprate(1-), (cyano-C)(3,4-dihydro-2H-pyran-6-yl)-, lithium
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-,(3,4-dihydro-2H-pyran-2-yl)methyl ester, polymer witha-hydro-w-hydroxypoly(oxy-1,2-ethanediyl)OTHER CA INDEX NAMES:Poly(oxy-1,2-ethanediyl), a-hydro-w-hydroxy-, polymer with(3,4-dihydro-2H-pyran-2-yl)methyl 3,4-dihydro-2H-pyran-2-carboxylate
- 3,5-Pyridinedicarboxylic acid,4-(3,4-dihydro-2H-pyran-5-yl)-1,4-dihydro-2,6-dimethyl-,bis(2-methoxyethyl) ester
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-, sodium salt, polymer with2-propenoic acidOTHER CA INDEX NAMES:2-Propenoic acid, polymer with sodium3,4-dihydro-2H-pyran-2-carboxylate
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-,(3,4-dihydro-2H-pyran-2-yl)methyl ester, polymer witha-hydro-w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)] ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)OTHER CA INDEX NAMES:Poly[oxy(1-oxo-1,6-hexanediyl)], a-hydro-w-hydroxy-, ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1
- Hexanedioic acid, bis(7-oxabicyclo[4.1.0]hept-3-ylmethyl) ester,polymer with (3,4-dihydro-2H-pyran-2-yl)methyl3,4-dihydro-2H-pyran-2-carboxylate,3-ethenyl-7-oxabicyclo[4.1.0]heptane,a-hydro-w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)] ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1) and7-oxabicyclo[4.1.0]hept-3-ylmethyl7-ox
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-,(3,4-dihydro-2H-pyran-2-yl)methyl ester, polymer with methyloxiraneand oxirane, blockOTHER CA INDEX NAMES:Oxirane, methyl-, polymer with (3,4-dihydro-2H-pyran-2-yl)methyl3,4-dihydro-2H-pyran-2-carboxylate and oxirane, blockOxirane, polymer with (3,4-dihydro-2H-pyran-2-yl)methyl3,4-dihydro
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-,(3,4-dihydro-2H-pyran-2-yl)methyl ester, polymer with3,4-dihydro-2H-pyran-2-carboxaldehydeOTHER CA INDEX NAMES:2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer with(3,4-dihydro-2H-pyran-2-yl)methyl 3,4-dihydro-2H-pyran-2-carboxylate
- 2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer witha-hydro-w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)] ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)OTHER CA INDEX NAMES:Poly[oxy(1-oxo-1,6-hexanediyl)], a-hydro-w-hydroxy-, ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1), polymer with3,4-dihydro-2H-pyran-2-car
- 2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer with methyloxiraneand oxirane, blockOTHER CA INDEX NAMES:Oxirane, methyl-, polymer with 3,4-dihydro-2H-pyran-2-carboxaldehydeand oxirane, blockOxirane, polymer with 3,4-dihydro-2H-pyran-2-carboxaldehyde andmethyloxirane, block
- 7-Oxabicyclo[4.1.0]heptane-3-carboxylic acid,7-oxabicyclo[4.1.0]hept-3-ylmethyl ester, polymer with3,4-dihydro-2H-pyran-2-carboxaldehyde anda-hydro-w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)] ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)OTHER CA INDEX NAMES:2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer witha-hydro-w-
- 7-Oxabicyclo[4.1.0]heptane-3-carboxylic acid,7-oxabicyclo[4.1.0]hept-3-ylmethyl ester, polymer with3,4-dihydro-2H-pyran-2-carboxaldehyde, methyloxirane and oxirane,blockOTHER CA INDEX NAMES:2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer with methyloxirane,7-oxabicyclo[4.1.0]hept-3-ylmethyl7-oxabicyclo[4.1.0]heptane-3-carboxyla
- 7-Oxabicyclo[4.1.0]heptane-3-carboxylic acid,7-oxabicyclo[4.1.0]hept-3-ylmethyl ester, polymer with3,4-dihydro-2H-pyran-2-carboxaldehyde anda-hydro-w-hydroxypoly(oxy-1,4-butanediyl)OTHER CA INDEX NAMES:2H-Pyran-2-carboxaldehyde, 3,4-dihydro-, polymer witha-hydro-w-hydroxypoly(oxy-1,4-butanediyl) and7-oxabicyclo[4.1.0]hept-3-ylme
- 7-Oxabicyclo[4.1.0]heptane-3-carboxylic acid,7-oxabicyclo[4.1.0]hept-3-ylmethyl ester, polymer with(3,4-dihydro-2H-pyran-2-yl)methyl 3,4-dihydro-2H-pyran-2-carboxylateand a-hydro-w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)] ester with2-ethyl-2-(hydroxymethyl)-1,3-propanediol (3:1)OTHER CA INDEX NAMES:2H-Pyran-2-carboxylic acid, 3,4-
- Butanoic acid,4-[4-[2-[4-(3-carboxypropoxy)-2,3-dichlorobenzoyl]-2,5-diethyl-3,4-dihydro-2H-pyran-6-yl]-2,3-dichlorophenoxy]-
- 2H-Pyran-2-carboxylic acid, 3,4-dihydro-,(3,4-dihydro-2H-pyran-2-yl)methyl ester, polymer witha,a'-(oxydi-2,1-ethanediyl)bis[w-hydroxypoly[oxy(1-oxo-1,6-hexanediyl)]]OTHER CA INDEX NAMES:Poly[oxy(1-oxo-1,6-hexanediyl)],a,a'-(oxydi-2,1-ethanediyl)bis[w-hydroxy-, polymer with(3,4-dihydro-2H-pyran-2-yl)methyl 3,4-dihydro-2H-pyran-2
- Cyclopenta[c]pyran-4-carboxylic acid,6-[[[(2S,3R,4S)-4-(2,2-dimethoxyethyl)-3-ethenyl-2-(b-D-glucopyranosyloxy)-3,4-dihydro-2H-pyran-5-yl]carbonyl]oxy]-1-(b-D-glucopyranosyloxy)-1,4a,5,6,7,7a-hexahydro-7-methyl-, methyl ester, (1S,4aS,6S,7S,7aS)-
- Milbemycin B,5-O-demethyl-28-deoxy-13-[2-[4-[[(3,4-dihydro-2H-pyran-2-yl)carbonyl]amino]phenyl]ethoxy]-6,28-epoxy-25-ethyl-, (6R,13R,25R)-
- Avermectin A1a, 25-de(1-methylpropyl)-25-(3,4-dihydro-2H-pyran-2-yl)-
- 1H-Isoindole,2-[(3,4-dihydro-2H-pyran-4-yl)oxy]-2,3-dihydro-1,1,3,3-tetramethyl-
- 1H-Isoindole,2-[(3,4-dihydro-2H-pyran-2-yl)oxy]-2,3-dihydro-1,1,3,3-tetramethyl-
- 2H-Pyran, 3-ethoxy-3,4-dihydro-, polymer with (ethenyloxy)isooctaneand 3,6,9,12-tetraoxatetradeca-1,13-dieneOTHER CA INDEX NAMES:3,6,9,12-Tetraoxatetradeca-1,13-diene, polymer with(ethenyloxy)isooctane and 3-ethoxy-3,4-dihydro-2H-pyranIsooctane, (ethenyloxy)-, polymer with 3-ethoxy-3,4-dihydro-2H-pyranand 3,6,9,12-tetraoxatetrad
- 1H-Indole-2-ethanimine, a-(3,4-dihydro-2H-pyran-6-yl)-b-ethylidene-,(Z)-
- Silane,[[2-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-6-[3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]propyl]-3,4-dihydro-2H-pyran-3,4-diyl]bis(oxy)]bis[(1,1-dimethylethyl)dimethyl-, [2R-(2a,3b,4a)]-
