SMILES: C[C@H]1[C@@H]2[C@H](N(CN2C3=C(N1)N=C(NC3=O)N)C4=CC=C(C=C4)C[C@@H]([C@@H]([C@@H](CO[C@@H]5[C@@H]([C@@H]([C@H](O5)COP(=O)([O-])O[C@@H](CCC(=O)[O-])C(=O)[O-])O)O)O)O)O)C
Description: The molecule is trianion of 5,10-methylenetetrahydromethanopterin arising from deprotonation of phosphate and carboxy groups; major species at pH 7.3. It is an organophosphate oxoanion and a dicarboxylic acid dianion. It is a conjugate base of a 5,10-methylenetetrahydromethanopterin.