pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
12.52	IUPAC digitized pKa	0	-1	Cc1ccc(N=NN(C)O)cc1	Cc1ccc(N=NN(C)[O-])cc1	mol10674	Cc1ccc(N=NN(C)O)cc1