pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
2.27	IUPAC digitized pKa	1	0	COc1nc(C)c2ccccc2[nH+]1,COc1nc2ccccc2c(C)[nH+]1	COc1nc(C)c2ccccc2n1	mol7916	COc1nc(C)c2ccccc2n1