pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.12	Baltruschat ChEMBL	1	0	CN1C=C[NH2+]C1,C[NH+]1C=CNC1	CN1C=CNC1	mol21101	CN1C=CNC1