IUPAC:(2S)-N-[(1R)-1-{[(3S,6S,9R,12R,15R,18S,19R)-12-benzyl-6-[(1R)-1-hydroxyethyl]-3-(hydroxymethyl)-19-methyl-9,15-bis(2-methylpropyl)-2,5,8,11,14,17-hexaoxo-1-oxa-4,7,10,13,16-pentaazacyclononadecan-18-yl]carbamoyl}-2-phenylethyl]-2-methylbutanamide
IUPAC:(2S)-N-[(1R)-1-{[(3S,6S,9R,12R,15R,18S,19R)-12-benzyl-6-[(1R)-1-hydroxyethyl]-3-(hydroxymethyl)-19-methyl-9,15-bis(2-methylpropyl)-2,5,8,11,14,17-hexaoxo-1-oxa-4,7,10,13,16-pentaazacyclononadecan-18-yl]carbamoyl}-2-phenylethyl]-2-methylbutanamide