17alpha-Cyanomethyl-estradiol-3-methyl ether 17alpha-Cyanomethylestra-1,3,5(10)-triene-3,17-diol 3-methyl ether 17alpha-Cyanomethylestradiol 3-methyl ether 19-Norpregna-1,3,5(10)-triene-21-nitrile, 17-hydroxy-3-methoxy-, (17alpha)- 24284-84-2 CMEME Sts 64