[(3'S,5'R,8'R,9'S,10'S,13'R,14'S,17'R)-4',4',10',13',14'-五甲基-17'-[(2R)-6-甲基庚烷-2-基]-11'-氧代-螺[1,3-二噻戊环-2,7'-2,3,5,6,8,9,12,15,16,17-十氢-1H-环戊并[a]菲]-3'-基]乙酸酯
56259-20-2