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SMILES: C(=O)NNC=O Canonical SMILES: O=CNNC=O InChI: InChI=1S/C2H4N2O2/c5-1-3-4-2-6/h1-2H,(H,3,5)(H,4,6) InChIKey: POVXOWVFLAAVBH-UHFFFAOYSA-N
CBID:71602 http://www.chembase.cn/molecule-71602.html