英文名称：
6,6-ethylene-15,16-methylene-3-oxo-17-pregn-4-ene-2,17-carbolactone
英文别名：
6,6-ethylene-15,16-methylene-3-oxo-17-pregn-4-ene-2,17-carbolactone;Dispiro[cyclopropane-1,6'(17'H)-cyclopropa[15,16]cyclopenta[a]phenanthrene-17',2''(5''H)-furan]-3',5''(2'H)-dione, 1',3'',4'',7',8',9',10',11',12',13',14',15',16',20'-tetradecahydro-10',13'-dimethyl-, (2''S,8'R,9'S,10'R,13'S,14'R,15'S,16'S)-
