[3aS-(3aα,4Z,6aα)]-5-[Hexahydro-2-oxo-1-(phenylmethyl)-4H-thieno[3,4-d]imidazol-4-ylidene]pentanoic acid methyl ester

(S)-7-[(2R,4R)-3-(tert-butoxycarbonyl)-2-phenylthiazolidin-4-yl]-7-hydroxy-6-oxoheptanoic acid methyl ester

(S)-7-[(2R,4R)-3-(tert-butoxycarbonyl)-2-phenylthiazolidin-4-yl]-7-methoxycarbonyloxy-6-oxoheptanoic acid methyl ester

生物素二酸

5-((3aS)-1,3-diacetyl-2-oxo-(3ar,6ac)-hexahydro-thieno[3,4-d]imidazol-4t-yl)-pentanoic acid methyl ester