pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
11.44	IUPAC digitized pKa	0	-1	CC1(C)CC(=O)NC(=O)N1	CC1(C)CC(=O)[N-]C(=O)N1,CC1(C)CC(=O)NC(=O)[N-]1	mol9787	CC1(C)CC(=O)NC(=O)N1