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2-Quinoxalinecarboxaldehyde,
[(1,4-dioxido-2-quinoxalinyl)methylene]hydrazone, 1,4-dioxide
CAS:63606-76-8
Formula:C18H12N6O4

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7H-Purine-6-carboxamide,
8,9-dihydro-2-(4-nitrophenyl)-8-oxo-9-phenyl-
CAS:389090-53-3
Formula:C18H12N6O4

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N1,N2-bis(2-oxoindol-3-yl)ethanedihydrazide
CAS:6621-76-7
Formula:C18H12N6O4

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Pyrimido[5,4-d]pyrimidine-2,8-dione,
1,3,4,7-tetrahydro-4-imino-6-(4-nitrophenyl)-3-phenyl-
CAS:66482-87-9
Formula:C18H12N6O4

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2H-Pyrrole-2-carboxylic acid,
3,3,4,4-tetracyano-5-ethyl-3,4-dihydro-2-(4-nitrophenyl)-, methyl ester
CAS:109988-45-6
Formula:C18H12N6O4

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Benzaldehyde, 4-nitro-,
[5-(2-oxo-2H-1-benzopyran-3-yl)-1H-1,2,4-triazol-3-yl]hydrazone
CAS:140886-61-9
Formula:C18H12N6O4

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1H-1,2,3-Triazole-4-carboxylic acid,
1-(7-methyl-1,8-naphthyridin-4-yl)-5-(4-nitrophenyl)-
CAS:61830-54-4
Formula:C18H12N6O4