pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.14000010490417	QSARToolbox	0	-1	O=C(O)Cn1nnnc1-c1cccc(Br)c1	O=C([O-])Cn1nnnc1-c1cccc(Br)c1	mol26042	O=C(O)Cn1nnnc1-c1cccc(Br)c1