pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.5	OCHEM	1	0	C=CCOc1noc2c1C[NH2+]CC2	C=CCOc1noc2c1CNCC2	mol20586	C=CCOc1noc2c1CNCC2