pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.3	Baltruschat ChEMBL	0	-1	O=c1[nH]cnc2cnccc12	O=c1[n-]cnc2cnccc12	mol21240	O=c1[nH]cnc2cnccc12