英文名称
Methyl 9-hydroxy-2-[2-(10-hydroxy-8-methoxycarbonyl-1,4b,8-trimethyl-9-oxo-1,3,4,4a,5,6,7,8a,10,10a-decahydrophenanthren-2-ylidene)acetyl]oxy-7-(2-methoxy-2-oxoethylidene)-1,4a,8-trimethyl-10-oxo-2,3,4,4b,5,6,8,8a,9,10a-decahydrophenanthrene-1-carboxylate