The chemical compound with the SMILES O=c1cc(-c2cccc3ccccc23)[nH][nH]1 is not an inhibitor of factor XIa (FXIa).
The {#molecule|compound|chemical|molecular species|chemical compound!} with the {SMILES__description} {#representation of |!}{SMILES#} is {MUV-846#not &NULL}{MUV-846__names__noun}.
5-naphthalen-1-yl-1,2-dihydropyrazol-3-one