17-Iodovinylestradiol-3-methyl ether 17alpha-(125I)Iodovinylestradiol-3-methyl ether 19-Norpregna-1,3,5(10),20-tetraen-17-ol, 21-(iodo-125I)-3-methoxy-, (17alpha,20E)- 85549-75-3 IVEME