1H-pyrazolo[3,4-c]pyridine, 5-chloro-3-nitro- 5-chloro-3-nitro-1H-pyrazolo[3,4-c]pyridine InChI=1/C6H3ClN4O2/c7-5-1-3-4(2-8-5)9-10-6(3)11(12)13/h1-2H,(H,9,10