InChI=1/C7H4ClN3O2/c8-4-2-1-3-5(10-4)11-7(13)6(12)9-3/h1-2H,(H,9,12)(H,10,11,13)/p-1/fC7H3ClN3O2/h9H/q-1 E37EB3ECE9791BF6