pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.96	IUPAC digitized pKa	1	0	CN(C)c1cnc[nH+]c1,C[NH+](C)c1cncnc1	CN(C)c1cncnc1	mol7391	CN(C)c1cncnc1