pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.4	Baltruschat ChEMBL	1	0	O=C(O)c1cnc[nH+]c1	O=C([O-])c1cnc[nH+]c1,O=C(O)c1cncnc1	mol18746	O=C(O)c1cncnc1