57706-74-8

methyl (4R)-4-[(3S,5S,10S,13R,14R,17R)-3-acetyloxy-4,4,10,13,14-pentam ethyl-7,11-dioxo-2,3,5,6,12,15,16,17-octahydro-1H-cyclopenta[a]phenant hren-17-yl]pentanoate