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1H-Pyrrole-3-carbonitrile, 1-methyl-2,5-dinitro-
CAS:89998-65-2
Formula:C6H4N4O4

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1H-Purine-8-carboxylic acid, 2,3,6,7-tetrahydro-2,6-dioxo-
CAS:2577-18-6
Formula:C6H4N4O4

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Pyrimido[4,5-d]pyrimidine-2,4,5,7(1H,3H,6H,8H)-tetrone
CAS:26212-10-2
Formula:C6H4N4O4

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Pyridazino[4,5-d]pyridazine-1,4,5,8-tetrone, 2,3,6,7-tetrahydro-
CAS:36170-80-6
Formula:C6H4N4O4

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2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine
CAS:6713-54-8
Formula:C6H4N4O4

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Pyrazino[2,3-d]pyridazine-5,8-dione, 6,7-dihydro-, 1,4-dioxide
CAS:72668-58-7
Formula:C6H4N4O4

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1H-Pyrazole-4-carbonyl isocyanate, 1-methyl-3-nitro-
CAS:61716-98-1
Formula:C6H4N4O4

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5,8-dihydro-1H-pteridine-2,4,6,7-tetrone
CAS:2817-14-3
Formula:C6H4N4O4

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1,4,6,7-tetrahydropyrazino[2,3-d]pyridazine-2,3,5,8-tetrone
CAS:89663-11-6
Formula:C6H4N4O4

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2,4-Imidazolidinedione,5-(2,5-dioxo-4-imidazolidinylidene)- (9CI)
CAS:6712-62-5
Formula:C6H4N4O4