pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.1	Datawarrior	1	0	CN(C)/C=[NH+]/c1ccc(Br)cc1	CN(C)/C=N/c1ccc(Br)cc1	mol12582	CN(C)/C=N/c1ccc(Br)cc1