methyl (20S,23S)-23-{[(2S)-2-{[(4-{[(2,6-dimethylphenyl)carbamoyl]amino}phenyl) acetyl]amino}-4-methylpentanoyl]amino}-2,2-dimethyl-4,19,22-trioxo-20-(propan-2-yl)-3-oxa-5,18,21-triazapentacosan-25-oate

benzyl (6S,9S,12S)-6-isobutyl-12-isopropyl-9-(2-methoxy-2-oxoethyl)-2,2-dimethyl-4,7,10-trioxo-3-oxa-5,8,11-triazatridecan-13-oate

methyl (S)-4-(((S)-1-(benzyloxy)-3-methyl-1-oxobutan-2-yl)amino)-3-((S)-2-(2-(4-(3-(2,6-dimethylphenyl)ureido)phenyl)acetamido)-4-methylpentanamido)-4-oxobutanoate