Chemical Name: 16,17-epi-Estriol ; trans-Estriol ; (16β,17α)-Estra-1,3,5(10)-triene-3,16,17-triol
Synonym: Bispyrazolone ; 5,5'-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione
Smile: OC1=CC=C2C(CC[C@]3([H])[C@]2([H])CC[C@@]4(C)[C@@]3([H])C[C@H](O)[C@H]4O)=C1