pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
9.18	IUPAC digitized pKa	1	0	COc1cccc(OC)c1C[C@H]([NH3+])CO	COc1cccc(OC)c1C[C@H](N)CO	mol6109	COc1cccc(OC)c1CC(N)CO