2-氧-4-(三苯基膦)丁酸乙酯

methyl (2R,3R)-2-(2'-benzothiazolylthio)-α-isopropylidene-4-oxo-3-phenoxyacetylaminoazetidine-1-acetate

2-巯基乙醇

(S,S,S)-2-氮杂双环[3,3,0]辛烷-3-羧酸苄酯

(2S,3aS,7aS)-八氢-1H-吲哚-2-羧酸苯甲酯