1,25-Dihydroxydihydrotachysterol(3) 1alpha,25-(OH)2DHT(3) 1beta,25-(OH)2DHT(3) 65878-49-1 9,10-Secocholesta-5,7-diene-1,3,25-triol, (1alpha,3beta,5E,7E,10alpha)- T3-Ha T3-Hb