SMILES: C1C(NC2=C(N1)N=C(NC2=O)N)CNC3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)[O-])C(=O)[O-]
Description: The molecule is a dicarboxylic acid anion arising from deprotonation of both carboxylic acid functions of 5,6,7,8-tetrahydrofolic acid; major structure at pH 7.3 It is a tetrahydrofolate and a dicarboxylic acid dianion. It is a conjugate base of a 5,6,7,8-tetrahydrofolic acid.