pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
-0.73	OCHEM	2	1	S[C@@H]1C[NH2+]CC[NH2+]1	S[C@@H]1CNCC[NH2+]1,S[C@@H]1C[NH2+]CCN1	mol33265	SC1CNCCN1