116229-13-1 14,17-Ethano-14H-cyclopenta(a)phenanthrene, 14,21-cyclo-19-norpregna-1,3,5(10)-triene-3,17-diol deriv. 14,21-Cyclo-19-norpregn-1,3,5(10)-triene-3,11-diol 14,21-Cyclo-19-norpregna-1,3,5(10)-triene-3,17-diol Cyclodiol Zk 115194