Chemical Formula: C76H98N12O20

[(12s,20s,23s)-1,4,7,9,10,13,21,24,27,30-decahydroxy-3-[hydroxy(4-methoxyphenyl)methyl]-32-[hydroxy(phenyl)methyl]-15-[(1s)-1-hydroxy-2-methylpropyl]-20-[(1-hydroxy-3-{2-[(1z)-prop-1-en-1-yl]phenyl}propylidene)amino]-18,23-dimethyl-6-[(2-methyl-1h-indol-3-yl)methyl]-12-(2-methylpropyl)-16,33-dioxo-3h,6h,9h,12h,15h,18h,19h,20h,23h,26h,29h,32h,35h,36h,37h,37ah-pyrrolo[2,1-r]1-oxa-4,7,10,13,16,19,22,25,28,31-decaazacyclopentatriacontan-26-yl]acetic acid