(3S,4S)-3-Acetylsulfanyl-4-[(S)-2-(4-methoxy-phenyl)-1-methylcarbamoyl-ethylcarbamoyl]-6-methyl-heptanoic acid tert-butyl ester

3-acetylthio-6-methyl-4-<<<1-(S)-<(methylamino)carbonyl>-2-(4-methoxyphenyl)ethyl>amino>carbonyl>heptanoic acid

Thioacetic acid S-{(1S,2S)-2-[(S)-2-(4-methoxy-phenyl)-1-methylcarbamoyl-ethylcarbamoyl]-4-methyl-1-[2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-pentyl} ester

(3S,4S)-3-Acetylsulfanyl-4-[(S)-2-(4-methoxy-phenyl)-1-methylcarbamoyl-ethylcarbamoyl]-6-methyl-heptanoic acid methyl ester

3-(S)-mercapto-6-methyl-4-(S)-[({1-(S)-[(methylamino)carbonyl]-2-(4-methoxyphenyl)ethyl}amino)carbonyl]heptanoic acid benzyl ester