pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
4.98	IUPAC digitized pKa	0	-1	S=C1NN[C@H](c2ccccc2)S1	S=C1[N-]N[C@H](c2ccccc2)S1	mol10518	S=C1NNC(c2ccccc2)S1