pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
8.55	OCHEM	1	0	Clc1cccc([NH+]=C2NCCN2)c1Cl	Clc1cccc(N=C2NCCN2)c1Cl	mol20651	Clc1cccc(N=C2NCCN2)c1Cl