pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
1.47	IUPAC digitized pKa	2	1	N#[N+]c1ccccc1C(O)=[OH+]	N#[N+]c1ccccc1C(=O)O	mol10382	N#[N+]c1ccccc1C(=O)O