pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.66	OCHEM	3	2	CCC(C[NH3+])(C[NH3+])C[NH3+]	CCC(CN)(C[NH3+])C[NH3+]	mol31748	CCC(CN)(CN)CN