(7Z)-Vitamin D2

1(S),3(R)-bis(tert-butyldimethylsiloxy)-9,10-secoergosta-5(E),7(E),10(19),22(E)-tetraene

(1S,3E,5R)-3-[(2E)-2-[(1R,3aS,7aR)-1-[(E,2R,5R)-5,6-dimethylhept-3-en-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-5-[tert-butyl(dimethyl)silyl]oxy-2-methylidenecyclohexan-1-ol

(3S,5Z,7E,14Xi,22E)-3-{[二甲基(2-甲基-2-丙基)硅烷基]氧基}-9,10-开环麦角甾-5,7,10,22-四烯

(3S,6S)-(tert-butyldimethylsilyloxy)-9,10-seco-ergosta-5,7(E),10(19),22(E)-tetraene SO2-adduct