pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.27	IUPAC digitized pKa	1	0	Cc1cccc2cc([NH3+])cc(C)c12	Cc1cccc2cc(N)cc(C)c12	mol6278	Cc1cccc2cc(N)cc(C)c12
4.26999998092651	QSARToolbox	1	0	Cc1cccc2cc([NH3+])cc(C)c12	Cc1cccc2cc(N)cc(C)c12	mol6278	Cc1cccc2cc(N)cc(C)c12