Showing structure for methyl 9-hydroxy-2-({2-[10-hydroxy-8-(methoxycarbonyl)-1,4b,8-trimethyl-9-oxo-decahydrophenanthren-2-ylidene]acetyl}oxy)-7-{[(2-hydroxyethyl)(methyl)carbamoyl]methylidene}-1,4a,8-trimethyl-10-oxo-decahydrophenanthrene-1-carboxylate