pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
5.47	IUPAC digitized pKa	1	0	C[NH2+]c1c(C)cc(C)cc1C	CNc1c(C)cc(C)cc1C	mol1721	CNc1c(C)cc(C)cc1C