pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.71	OCHEM	1	0	CN(C)C=[NH+]c1ccccc1Br	CN(C)C=Nc1ccccc1Br	mol32737	CN(C)C=Nc1ccccc1Br