pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
6.34999990463257	QSARToolbox	0	-1	N#CC(C#N)=NNc1ccccc1Br	N#CC(C#N)=N[N-]c1ccccc1Br	mol13220	N#CC(C#N)=NNc1ccccc1Br