pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.45	IUPAC digitized pKa	0	-1	Cn1c(Br)nc2c(=O)[nH]c(=O)[nH]c21	Cn1c(Br)nc2c(=O)[n-]c(=O)[nH]c21,Cn1c(Br)nc2c(=O)[nH]c(=O)[n-]c21	mol9870	Cn1c(Br)nc2c(=O)[nH]c(=O)[nH]c21