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

D-2-hydroxy-4-phenyl-butyric acid-((1R)-menthyl ester)

(R)-2-羟基-4-苯基丁酸

(R)-2-羟基-4-苯基丁酸乙酯

6(R)-t-butoxycarbonylamino-5-oxo-2-(2-thienyl)perhydro-1,4-thiazepine