{[(R)-2-(Benzyloxycarbonyl-methyl-amino)-4-methyl-pentanoyl]-methyl-amino}-acetic acid tert-butyl ester

({(R)-2-[((S)-2-Benzyloxycarbonylamino-3-methyl-butyryl)-methyl-amino]-4-methyl-pentanoyl}-methyl-amino)-acetic acid tert-butyl ester

(S)-2-{2-[((R)-2-{[(S)-2-((2R,3S)-2-Hydroxy-3-methyl-pentanoylamino)-3-methyl-butyryl]-methyl-amino}-4-methyl-pentanoyl)-methyl-amino]-acetylamino}-3-methyl-butyric acid 2,2,2-trichloro-ethyl ester

(4S,5R)-3-((E)-(2R,3S)-3-Hydroxy-2,4-dimethyl-hept-4-enoyl)-4-methyl-5-phenyl-oxazolidin-2-one

({(R)-2-[((S)-2-Amino-3-methyl-butyryl)-methyl-amino]-4-methyl-pentanoyl}-methyl-amino)-acetic acid tert-butyl ester