(2S)-3-(2-bromo-phenyl)-2-methoxycarbonylamino-propionic acid
(S)-2-((methoxycarbonyl)amino)-3,3-diphenylpropanoic acid
(1aS,9aS)-3-[(4,5-dimethoxy-2-nitrophenyl)methyl] 1-methyl ester 5-methanol-1a,2,3,8,9,9a-hexahydro-7-(methoxymethoxy)-9-hydroxy-1H-aziridino[2,3-c][1]benzazocine-1,3(2H)-dicarboxylic acid