Chemical Formula: C55H69ClN10O14

(2s)-n-[(3r,4r,13s,20r,21as)-16-[(2s)-butan-2-yl]-5,8,11,14-tetrahydroxy-3-methyl-10-{[(2r)-2-nitrocyclopropyl]methyl}-1,17-dioxo-7,13-bis[(1r)-1-phenylethyl]-20-[(1z)-prop-1-en-1-yl]-3h,4h,7h,10h,13h,16h,19h,20h,21h,21ah-pyrrolo[2,1-c]1-oxa-4,7,10,13,16-pentaazacyclononadecan-4-yl]-2-[(5-chloro-1-hydroxypyrrol-2-yl)formamido]-3-[(2r)-2-nitrocyclopropyl]propanimidic acid