(8R,9S,13S,14S)-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,4,17-trione 40551-34-6 1,5(10)-Estradiene-3,4,17-trione 1,5(10)Estradiene-3,14,17-trione 3,4-Estrone quinone CCRIS 7598 Estra-1,5(10)-diene-3,4,17-trione Estrone-3,4-quinone