pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.85	Baltruschat ChEMBL	0	-1	c1cc(-c2cnn[nH]2)ccn1	c1cc(-c2cnn[n-]2)ccn1	mol17869	c1cc(-c2cnn[nH]2)ccn1