pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.94	IUPAC digitized pKa	1	0	C[NH+]1NC(=O)C[C@H]1c1ccccc1	CN1NC(=O)C[C@H]1c1ccccc1	mol6927	CN1NC(=O)CC1c1ccccc1