pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.04	IUPAC digitized pKa	1	0	COc1cccc(C[NH+](C)C)c1	COc1cccc(CN(C)C)c1	mol1558	COc1cccc(CN(C)C)c1