5-溴戊腈

5-iodopentanenitrile

(3aS,6aR)-1,3-dibenzyltetrahydro-1H-thieno[3,4-d]imidazol-2(3H)-one-4-ylidenepentane nitrile

methyl 5-((3S,4R)-4-(1-benzylureido)-3-((methoxycarbonyl)oxy)dihydrothiophen-2(3H)-ylidene)pentanoate

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