(3S)-3-[[(9H-芴-9-基甲氧基)羰基]氨基]-4-羟基-丁酸叔丁酯

3(R)-{2-[(3S)-(tert-butyldimethylsilanyloxymethyl)-2-oxo-5-phenyl-2,3-dihydrobenzo[e][1,4]diazepin-1-yl]acetylamino}-4-samicarbazone-butyric acid tert-butyl ester

4-semicarbazone-3(S)-[2-(2-oxo-5-phenyl-3(R)-(phenylcarbamoyloxymethyl)-2,3-dihydro-benzo[e][1,4]diazepin-1-yl)acetylamino]butyric acid tert-butyl ester

4-semicarbazone-3(S)-[2-(2-oxo-5-phenyl-3(R)-(2-bromo-4,6-difluorophenylcarbamoyloxymethyl)-2,3-dihydro-benzo[e][1,4]diazepin-1-yl)acetylamino]butyric acid tert-butyl ester

methyl (1R,3S,1'S)-1-[2'-(tert-butoxycarbonyl)-1'-(9-fluorenylmethoxycarbonyl)aminoethyl]-1,2,3,4-tetrahydro-β-carboline-3-carboxylate