The chemical with the SMILES representation of CCCN1CNc2c(c(=O)[nH]c(=S)n2-c2ccc(Cl)cc2)C1 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}.
1-(4-chlorophenyl)-6-propyl-2-sulfanylidene-7,8-dihydro-5H-pyrimido[4,5-d]pyrimidin-4-one