pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.64	IUPAC digitized pKa	0	-1	O=c1nc[nH]c2c1CCCC2	O=c1nc[n-]c2c1CCCC2	mol10652	O=c1nc[nH]c2c1CCCC2
2.69	IUPAC digitized pKa	1	0	O=c1[nH+]c[nH]c2c1CCCC2	O=c1nc[nH]c2c1CCCC2	mol10652	O=c1nc[nH]c2c1CCCC2