138950-37-5

(4s,8r,10r)-4-(hydroxymethyl)-4,8,10,13-tetramethyl-17-[(3r)-5-(2-methylprop-1-enyl)oxolan-3-yl]-6,9,11,12,16,17-hexahydro-5h-cyclopenta[a]phenanthrene-3,7-dione