pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.8899998664856	QSARToolbox	0	-1	O=C1NC(=O)NP(=O)(c2ccccc2)N1	O=C1[N-]P(=O)(c2ccccc2)NC(=O)N1,O=C1[N-]C(=O)NP(=O)(c2ccccc2)N1	mol35762	O=C1NC(=O)NP(=O)(c2ccccc2)N1