Synonyms : 4, 4'-(Diethylideneethylene)diphenol, Dienestrol, (E, E)-Isomer, Dienestrol, (Z, E)-Isomer, Dienestrol, (Z, Z)-Isomer, Dienoestrol, Oestrasid, Ortho Brand of Dienestrol, Ortho Dienestrol, Synestrol