pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.300000011920929	QSARToolbox	1	0	O=S1(=O)OC(c2ccc(NCc3ccccc3)cc2)(c2ccc([NH2+]Cc3ccccc3)cc2)c2ccccc21	O=S1(=O)OC(c2ccc(NCc3ccccc3)cc2)(c2ccc(NCc3ccccc3)cc2)c2ccccc21	mol35950	O=S1(=O)OC(c2ccc(NCc3ccccc3)cc2)(c2ccc(NCc3ccccc3)cc2)c2ccccc21