C#CCN(Cc1ccc2c(c1)c(=O)[nH]c(n2)N)c3ccc(cc3)C(=O)N[C@@H](CCC(=O)O)C(=O)O 374002 IC50 = 360 nM 12705 8 P45352 Thymidylate synthase Cc1nc2ccc(cc2c(n1)O)CN(C)c3cc(cs3)C(=O)N[C@@H](CCC(=O)O)C(=O)O 258816 IC50 = 900 nM 12705 8 P45352 Thymidylate synthase C#CCN(Cc1ccc2c(c1)c(=O)nc([nH]2)N)c3ccc(cc3)C(=O)NC(CCC(=O)O)C(=O)O 29325 IC50 = 360 nM 12705 8 P45352 Thymidylate synthase