pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.69	IUPAC digitized pKa	0	-1	COc1ccc(N=NN(C)O)cc1	COc1ccc(N=NN(C)[O-])cc1	mol10681	COc1ccc(N=NN(C)O)cc1