pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.32999992370606	QSARToolbox	0	-1	O=c1[nH]c(=O)n(-c2ccccc2)o1	O=c1[n-]c(=O)n(-c2ccccc2)o1	mol38601	O=c1[nH]c(=O)n(-c2ccccc2)o1