SMILES: C[C@H](C1=CN=C2C(=N1)C(=O)NC(=N2)N)NC3=CC=C(C=C3)C[C@@H]([C@@H]([C@@H](CO[C@@H]4[C@@H]([C@@H]([C@H](O4)COP(=O)([O-])O[C@@H](CCC(=O)[O-])C(=O)N[C@@H](CCC(=O)[O-])C(=O)N[C@@H](CC(=O)[O-])C(=O)[O-])O)O)O)O)O
Description: The molecule is the organophosphate oxoanion and tetracarboxylic acid anion formed from tatiopterin by loss of a proton from the phospho group and from each of the four carboxy groups; major microspecies present at pH 7.3. It is an organophosphate oxoanion and a tetracarboxylic acid anion. It is a conjugate base of a tatiopterin.