pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.8	Datawarrior	0	-1	OC(O)c1ccccn1	O[C-](O)c1ccccn1,[O-]C([O-])c1cccc[nH+]1,[O-]C(O)c1ccccn1	mol13633	OC(O)c1ccccn1