[(5R,7R,9R,10R,13S,17R)-17-[(2R)-2-乙酰氧基-5-(3,3-二甲基环氧乙烷-2-基)四氢呋喃-3-基]-4,4,8,10,13-五甲基-3-氧代-5,6,7,9,11,12,16,17-八氢环戊烯并[a]菲-7-基]乙酸酯
161043-66-9