pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
0.91	IUPAC digitized pKa	1	0	Cc1c(Br)c[nH+]n1C	Cc1c(Br)cnn1C	mol6805	Cc1c(Br)cnn1C