pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.63	IUPAC digitized pKa	2	1	CC[n+]1c(/C=C/c2ccc([NH+](C)C)cc2)ccc2ccccc21	CC[n+]1c(/C=C/c2ccc(N(C)C)cc2)ccc2ccccc21	mol5763	CC[n+]1c(/C=C/c2ccc(N(C)C)cc2)ccc2ccccc21