4-氧代-1,2-环戊烷二羧酸二甲酯

(-)-环戊酮-反式-3,4-二羧酸二甲酯

(-)-trans-(7R,8R)-1,4-dithiaspiro[4.4]nonane-7,8-dicarboxylic acid dimethyl ester

((((2S,4R,6R)-7-iodo-2,4,6-trimethylheptyl)oxy)methyl)benzene

(2S,4R,6S,8S)-9-(benzyloxy)-2,4,6,8-tetramethylnonan-1-ol