1H-Imidazole-1-carboxaldehyde, 2-azido-

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Formula:C4H3N5O

tetrazolo[1,5-b]pyridazin-6(5H)-one

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Formula:C4H3N5O

2,3-dihydro-4H-pyrazolo[3,4-d][1,2,3]triazin-4-one

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Formula:C4H3N5O

[1,2,5]Oxadiazolo[3,4-d]pyrimidin-7-amine (9CI)

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Formula:C4H3N5O

4H-1,2,3-Triazolo[4,5-d]pyridazin-4-one, 1,5-dihydro-

CAS:25910-76-3

Formula:C4H3N5O

5-carbamoyl-1H-imidazole-4-diazonium

CAS:26230-33-1

Formula:C4H3N5O

8-AZAHYPOXANTHINE

CAS:2683-90-1

Formula:C4H3N5O

(Z)-amino(3-diazonio-4H-pyrazol-4-ylidene)methanolate

CAS:38658-38-7

Formula:C4H3N5O

[1,2,4]Triazolo[1,5-b][1,2,4]triazin-7(1H)-one

CAS:85276-92-2

Formula:C4H3N5O

1,5-dihydro-4H-imidazo[4,5-d]-1,2,3-triazin-4-one

CAS:4656-86-4

Formula:C4H3N5O