pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.5	QSARToolbox	0	-1	Cc1ccc(P2(=O)NC(=O)N(C)C(=O)N2)cc1	Cc1ccc(P2(=O)[N-]C(=O)N(C)C(=O)N2)cc1	mol36452	Cc1ccc(P2(=O)NC(=O)N(C)C(=O)N2)cc1