pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.4	OCHEM	2	1	NC(=[NH2+])Nc1ccc(C(=O)c2ccc(NC(N)=[NH2+])cc2)cc1	N=C(N)Nc1ccc(C(=O)c2ccc(NC(N)=[NH2+])cc2)cc1	mol18335	N=C(N)Nc1ccc(C(=O)c2ccc(NC(=N)N)cc2)cc1