1,2-Benzenediol, 4-nitro-, 2-(hydrogen sulfate), dipotassium salt
Pyrocatechol, 4-nitro-, 2-(hydrogen sulfate), dipotassium salt
Potassium, (2-hydroxy-4-nitrophenoxy)-, hydrogen sulfate, potassium salt
Pyrocatechol, 4-nitro-, potassium deriv., 2-(hydrogen sulfate), potassium salt
Dipotassium 2-hydroxy-5-nitrophenyl sulfate
Dipotassium nitrocatechol sulfate