pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.57	IUPAC digitized pKa	1	0	Cc1[nH+][nH]c2c1CCCCC2	Cc1n[nH]c2c1CCCCC2	mol7800	Cc1n[nH]c2c1CCCCC2