pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
3.23	Hunt	1	0	[NH3+]c1cccc(-c2cc(=O)c3c(ccc4ccccc43)o2)c1	Nc1cccc(-c2cc(=O)c3c(ccc4ccccc43)o2)c1	mol1640	Nc1cccc(-c2cc(=O)c3c(ccc4ccccc43)o2)c1