pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.6	Baltruschat ChEMBL	0	-1	Clc1cc(-c2c[nH]nn2)ccn1	Clc1cc(-c2c[n-]nn2)ccn1	mol17877	Clc1cc(-c2c[nH]nn2)ccn1