(8R,9S,13S,14S,16R)-3,16-dihydroxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one 3,16alpha-Dihydroxyestra-1,3,5(10)-trien-17-one CCRIS 7200 Estra-1,3,5(10)-trien-17-one, 3,16-dihydroxy-, (16alpha)- Hydroxyestrone-16alpha 1,3,5(10)-Estratriene-3,16alpha-diol-17-one H8004_SIGMA