pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.7	Novartis	0	-1	Ic1cccc(-c2nn[nH]n2)c1	Ic1cccc(-c2nn[n-]n2)c1	mol2951	Ic1cccc(-c2nn[nH]n2)c1