4-羟基-(4S)-2-环戊烯-1-酮

4(S)-<(tert-butyldiphenylsilyl)oxy>cyclopent-2-en-1-one

(3S,3aS,7aR)-3-(tert-Butyl-diphenyl-silanyloxy)-5,5-dimethoxy-2,3,3a,4,5,7a-hexahydro-inden-1-one

(1S,6S,7S,9S)-4,4-dimethoxy-7-<(tert-butyldiphenylsilyl)oxy>bicyclo<4.3.0>non-3-en-9-ol

methyl 2-<3α,5α-bis-<(tert-butyldiphenylsilyl)oxy>-2β-<(E,Z)-1,5-undecadien-3-one>-1β-cyclopentane>acetate