75219-45-3 ESTRA-1,3,5(10)-TRIENE-3,17-DIOL, (17-beta)-, 17-((4-(4-(BIS(2-CHLOROETHYL)AMINO Estra-1,3,5(10)-triene-3,17-diol, (17-beta)-, 17-((4-(4-(bis(2-chloroethyl)amino)phenyl)-1-oxobutoxy)acetate) KM 2202