pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.21	IUPAC digitized pKa	0	-1	O=c1[nH]c2cc3c(cc2[nH]1)CCCC3	O=c1[n-]c2cc3c(cc2[nH]1)CCCC3	mol11579	O=c1[nH]c2cc3c(cc2[nH]1)CCCC3
12.05	AttenGpKa training set	0	-1	O=c1[nH]c2cc3c(cc2[nH]1)CCCC3	O=c1[n-]c2cc3c(cc2[nH]1)CCCC3	mol11579	O=c1[nH]c2cc3c(cc2[nH]1)CCCC3