(S)-ethyl 2-(((2S,6R)-4-(2-(tert-butoxy)-2-oxoethyl)-5-oxo-2-(thiophen-2-yl)-1,4-thiazepan-6-yl)amino)-4-phenylbutanoate

反式-2-(2-硝基乙烯基)噻吩

(E)-2-oxo-4-phenyl-3-butenoic acid

2-oxo-4-phenylbut-3-enoic acid 2-isopropyl-5-methylcyclohexyl ester

N-t-butoxycarbonyl-S-[2-nitro-1-(thien-2-yl)ethyl]-L-cysteine