7alpha-甲硫基螺内酯

7beta-螺内酯

螺内酯

11-alpha-羟基坎利酮

(1R,8S,9S,10R,11R,13S,14S,17R)-1,11-dihydroxy-10,13-dimethyl-1,3',4',8,9,10,11,12,13,14,15,16-dodecahydro-5'H-spiro[cyclopenta[a]phenanthrene-17,2'-furan]-3,5'(2H)-dione