苯丙醛

(4R,5S)-(+)-4-甲基-5-苯基-2-恶唑啉酮

(6R,7R)-3-Acetoxymethyl-7-{(R)-2-[N'-(2-nitro-benzyloxycarbonyl)-hydrazino]-3-phenyl-propionylamino}-8-oxo-5-thia-1-aza-bicyclo[4.2.0]oct-2-ene-2-carboxylic acid benzhydryl ester

(R)-2-[N'-(2-Nitro-benzyloxycarbonyl)-hydrazino]-3-phenyl-propionic acid

(S)-2-Benzyl-5-[(S)-2-((S)-2-benzyloxycarbonylamino-propionylamino)-propionylamino]-pentanoic acid methyl ester