Chemical Formula: C57H97N9O11

(3s,6s,9s,12r,13s,16s,19r,22s,25s,28s,33as)-22,28-bis[(2r)-butan-2-yl]-4,10,20,26-tetrahydroxy-9,16,25-triisopropyl-2,6,8,13,18,19,24-heptamethyl-3-(2-methylpropyl)-12-(pent-4-yn-1-yl)-3h,6h,9h,12h,13h,16h,19h,22h,25h,28h,31h,32h,33h,33ah-pyrrolo[1,2-p]1-oxa-4,7,10,13,16,19,22,25,28-nonaazacyclohentriacontane-1,7,14,17,23,29-hexone