pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.1	OCHEM	1	0	Cc1cccc2sc(C(N)=[NH2+])cc12	Cc1cccc2sc(C(=N)N)cc12	mol19523	Cc1cccc2sc(C(=N)N)cc12