pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.5	AttenGpKa training set	0	-1	CC(C)N[N+](=O)[O-]	CC(C)[N-][N+](=O)[O-]	mol27832	CC(C)N[N+](=O)[O-]