17-beta-(N',N'-Dimethylhydrazino-carbonyloxy)-estra-1,3,5(10)-trien-3-ol 55081-70-4 BRN 2306067 ESTRA-1,3,5(10)-TRIENE-3,17-DIOL (17-beta)-, 17-(2,2-DIMETHYLHYDRAZINECARBOXYLAT Estra-1,3,5(10)-triene-3,17-diol (17-beta)-, 17-(2,2-dimethylhydrazinecarboxylate) Sts 456