pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.32	AttenGpKa training set	0	-1	CCOC(=O)N[N+](=O)[O-]	CCOC(=O)[N-][N+](=O)[O-]	mol27523	CCOC(=O)N[N+](=O)[O-]