(S)-3-(2,3-Dihydro-1H-indol-3-yl)-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionic acid phenyl ester

(S)-3-[1-((S)-2-Benzyloxycarbonylamino-4-methyl-pentanoyl)-1H-indol-3-yl]-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionic acid phenyl ester

(S)-9-((S)-5,13-Dioxo-5,6,7,13-tetrahydro-6,8,13a-triaza-benzo[3,4]cyclohepta[1,2-b]naphthalen-7-ylmethyl)-2-isobutyl-3-oxo-2,3-dihydro-imidazo[1,2-a]indole-1-carboxylic acid benzyl ester

阿斯普尼辛

(S)-9-[(S)-1-(2-Azido-benzoyl)-2,5-dioxo-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepin-3-ylmethyl]-2-isobutyl-3-oxo-2,3-dihydro-imidazo[1,2-a]indole-1-carboxylic acid benzyl ester

(S)-3-[1-((S)-2-Benzyloxycarbonylamino-4-methyl-pentanoyl)-2-iodo-1H-indol-3-yl]-2-(2,2,2-trichloro-ethoxycarbonylamino)-propionic acid phenyl ester

(S)-9-((7S,7aS)-5,13-Dioxo-5,6,7,7a,8,13-hexahydro-6,8,13a-triaza-benzo[3,4]cyclohepta[1,2-b]naphthalen-7-ylmethyl)-9-hydroxy-2-isobutyl-9a-methoxy-3-oxo-2,3,9,9a-tetrahydro-imidazo[1,2-a]indole-1-carboxylic acid benzyl ester

(S)-2-Isobutyl-3-oxo-9-{(S)-2-phenoxycarbonyl-2-[2-(2,2,2-trichloro-ethoxycarbonylamino)-benzoylamino]-ethyl}-2,3-dihydro-imidazo[1,2-a]indole-1-carboxylic acid benzyl ester

(S)-2-Isobutyl-3-oxo-9-[(S)-2-phenoxycarbonyl-2-(2,2,2-trichloro-ethoxycarbonylamino)-ethyl]-2,3-dihydro-imidazo[1,2-a]indole-1-carboxylic acid benzyl ester