pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.46	IUPAC digitized pKa	1	0	Cn1ncc2cnc[nH+]c21,Cn1[nH+]cc2cncnc21,Cn1ncc2c[nH+]cnc21	Cn1ncc2cncnc21	mol4954	Cn1ncc2cncnc21
2.5	Datawarrior	1	0	Cn1ncc2cnc[nH+]c21,Cn1[nH+]cc2cncnc21,Cn1ncc2c[nH+]cnc21	Cn1ncc2cncnc21	mol4954	Cn1ncc2cncnc21