基本信息
Equilin,cyclic ethylene acetal (7CI); Estra-1,3,5(10),7-tetraen-17-one, 3-hydroxy-,cyclic ethylene acetal (8CI);Spiro[17H-cyclopenta[a]phenanthrene-17,2
64-22-2
1S/C20H24O3/c1-19-8-6-16-15-5-3-14(21)12-13(15)2-4-17(16)18(19)7-9-20(19)22-10-11-23-20/h3-5,12,16,18,21H,2,6-11H2,1H3/t16-,18+,19+/m1/s1