pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.5	QSARToolbox	2	1	C[n+]1cc(N[NH3+])cc2ccccc21,C[n+]1cc([NH2+]N)cc2ccccc21	C[n+]1cc(NN)cc2ccccc21	mol38134	C[n+]1cc(NN)cc2ccccc21