pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.9	Baltruschat ChEMBL	1	0	c1c[nH+]c2nccn2c1,c1cnc2[nH+]ccn2c1	c1cnc2nccn2c1	mol17970	c1cnc2nccn2c1