pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.65	OCHEM	1	0	Brc1ccc([NH+]=C2NCCN2)cc1	Brc1ccc(N=C2NCCN2)cc1	mol17923	Brc1ccc(N=C2NCCN2)cc1