pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.21	IUPAC digitized pKa	1	0	Nc1cccc2c([NH3+])cccc12	Nc1cccc2c(N)cccc12	mol3539	Nc1cccc2c(N)cccc12
4.44	Organic Oxygen Acids and Nitrogen Bases	1	0	Nc1cccc2c([NH3+])cccc12	Nc1cccc2c(N)cccc12	mol3539	Nc1cccc2c(N)cccc12