pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.23	Datawarrior	0	-1	NC(=O)/C=C(\O)c1ccccn1,NC(=O)/C=C(\[O-])c1cccc[nH+]1	NC(=O)/C=C(\[O-])c1ccccn1	mol12592	NC(=O)/C=C(\O)c1ccccn1