英文名称
(3S,10R,13R,17R)-17-[(E,2R,5S)-5-ethyl-6-methylhept-3-en-2-yl]-3-[[(3S,10R,13R,17R)-17-[(E,2R,5S)-5-ethyl-6-methylhept-3-en-2-yl]-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxy]-10,13-dimethyl-2,3,4,7,8,9,11,