(5R,8S,10R,13S,14S,17S)-17-hydroxy-13-methyl-17-(prop-1-yn-1-yl)-4,6,7,8,12,13,14,15,16,17-decahydro-1H-5,10-epoxycyclopenta[a]phenanthren-3(2H)-one
(5R,8S,10R,13S,14S,17S)-17-hydroxy-13-methyl-17-(prop-1-yn-1-yl)-4,6,7,8,12,13,14,15,16,17-decahydro-1H-5,10-epoxycyclopenta[a]phenanthren-3(2H)-one