pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.79	OCHEM	0	-1	C[C@@H](C(=O)O)[N+](=O)[O-]	C[C@@H](C(=O)[O-])[N+](=O)[O-]	mol1800	C[C@@H](C(=O)O)[N+](=O)[O-]