(3R,4R,4aR,6aR,6bS,8aR,12aR,14aR,14bR)-3-羟基-4,6a,6b,8a,11,11,14b-七甲基-1,2,3,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,14,14a,14b-二十氢苉-4-甲酸 471-66-9