SMILES: CN(CC1=CN=C2C(=N1)C(=NC(=N2)N)N)C3=CC=C(C=C3)C(=O)N[C@@H](CCC(=O)O)C(=O)[O-]
Description: The molecule is a dicarboxylic acid monoanion. It is a conjugate base of a methotrexate. It is a conjugate acid of a methotrexate(2-).