Nostopeptin B

185980-89-6

(4S)-4-Acetamido-5-((6S,9S,12S,20S)-6,12-di((S)-sec-butyl)-14-hydroxy-9-(4-hydroxybenzyl)-20-isobutyl-3,10-dimethyl-5,8,11,19,22,23-hexaoxoicosahydro-13,17-methanopyrrolo[2,3-t][1]oxa[4,7,10,15,18]pentaazacyclohenicosin-1(2H)-yl)-5-oxopentanamide; L-Isoleucine, N2-acetyl-L-glutaminyl-3-hydroxy-4-methylprolyl-L-leucyl-(αS)-3-amino-6-hydroxy-α-[(1S)-1-methylpropyl]-2-oxo-1-piperidineacetyl-N-methyl-L-tyrosyl-, (6→2)-lactone;