N-Boc-PrLeu

N-<(2S,4R)-2-<N-(tert-butoxycarbonyl)amino>-4-methylheptanoyl>-N-methyl-L-leucine tert-butyl ester

({(2S,4R)-2-[(S)-2-[((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyl)-methyl-amino]-3-(1-methoxy-1H-indol-3-yl)-propionylamino]-4-methyl-octanoyl}-methyl-amino)-acetic acid methyl ester

(S)-2-{[(2S,4R)-2-((S)-4-Cyano-2-hydroxy-butyrylamino)-4-methyl-octanoyl]-methyl-amino}-propionic acid tert-butyl ester

(S)-2-{[(2S,4R)-2-((R)-2-tert-Butoxycarbonylamino-4-cyano-butyrylamino)-4-methyl-octanoyl]-methyl-amino}-4-methyl-pentanoic acid

(S)-2-({(2S,4R)-2-[(S)-2-[((S)-2-Amino-4-methyl-pentanoyl)-methyl-amino]-3-(1-methoxy-1H-indol-3-yl)-propionylamino]-4-methyl-octanoyl}-methyl-amino)-propionic acid methyl ester

(S)-2-{[(2S,4R)-2-((R)-2-tert-Butoxycarbonylamino-4-cyano-butyrylamino)-4-methyl-octanoyl]-methyl-amino}-4-methyl-pentanoic acid tert-butyl ester

N-<(2S,4R)-2-<<N-<N-<N-<(2S,4R)-2-<N-<(R)-2-hydroxy-4-cyanobutanoyl>amino>-4-methylheptanoyl>-N-methyl-L-leucinyl>-L-leucinyl>-N1'-methoxy-N-methyl-L-tryptophanyl>amino>-4-methylheptanoyl>-N-methyl-L-alanine methyl ester

methyl N-((2S,4R)-2-((S)-5-(((benzyloxy)carbonyl)(methoxy)amino)-2-((S)-2-((tert-butoxycarbonyl)amino)-N,4-dimethylpentanamido)pentanamido)-4-methyloctanoyl)-N-methyl-L-alaninate

(S)-2-{[(2S,4R)-2-((S)-2-Hydroxy-propionylamino)-4-methyl-octanoyl]-methyl-amino}-4-methyl-pentanoic acid tert-butyl ester

(S)-2-[((2S,4R)-2-{(S)-2-[((S)-2-tert-Butoxycarbonylamino-4-methyl-pentanoyl)-methyl-amino]-3-phenyl-propionylamino}-4-methyl-octanoyl)-methyl-amino]-propionic acid methyl ester