pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.41	IUPAC digitized pKa	2	1	N#[N+]c1ccc(C(O)=[OH+])cc1	N#[N+]c1ccc(C(=O)O)cc1	mol10384	N#[N+]c1ccc(C(=O)O)cc1