pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.53	IUPAC digitized pKa	1	0	CCc1[nH+][nH]cc1Br	CCc1n[nH]cc1Br	mol6808	CCc1n[nH]cc1Br