pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.01	IUPAC digitized pKa	1	0	CC(=O)N(C)c1cccc[nH+]1	CC(=O)N(C)c1ccccn1	mol1276	CC(=O)N(C)c1ccccn1