methyl 6-[(3S,7R,7aR)-6-benzyl-5-oxo-3-phenyltetrahydro-5H-imidazo[1,5-c][1,3]thiazol-7-yl]-6-oxohexanoate

6-((3S,7R,7aR)-6-Benzyl-5-oxo-3-phenyl-tetrahydro-imidazo[1,5-c]thiazol-7-yl)-6-oxo-hexanoic acid

methyl 5-((3aS,6aR)-1-benzyl-2-oxohexahydro-4H-thieno[3,4-d]imidazol-4-ylidene)pentanoate

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

(5-羧基戊基)三苯基溴化磷