pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.51	OCHEM	1	0	CC(=O)Nc1ccc2[nH+]cccc2c1	CC(=O)Nc1ccc2ncccc2c1	mol20646	CC(=O)Nc1ccc2ncccc2c1