3-[4-(1,2-Diphenylbut-1-enyl)phenyl] acrylic acid: a non-steroidal estrogen with functional selectivity for bone over uterus in rats. - Willson,T.M.; Henke,B.R.; Momtahen,T.M.; Charifson,P.S.; Batchelor,K.W.; Lubahn,D.B. (J Med Chem, 1994)