Chemical Name : 9,11-Didehydroestriol ; Estra-1,3,5(10),9(11)-tetraene-3,16α,17β-triol

Smiles : [H][C@@]12CCC3=CC(O)=CC=C3C1=CC[C@@]4(C)[C@@]2([H])C[C@@H](O)[C@@H]4O