pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.66	IUPAC digitized pKa	1	0	CO[C@H]1c2ccccc2[NH+]=CN1C	CO[C@H]1c2ccccc2N=CN1C	mol4619	COC1c2ccccc2N=CN1C