pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.44	IUPAC digitized pKa	1	0	CNc1ncc(OC)c[nH+]1,C[NH2+]c1ncc(OC)cn1	CNc1ncc(OC)cn1	mol7492	CNc1ncc(OC)cn1