| 1 | 2036-13-7 | 6-氰嘌呤 | 6-Cyanopurine | C6H3N5
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| 2 | 100450-02-0 | Purine-7-carbonitrile (6CI) | Purine-7-carbonitrile (6CI) | C6H3N5
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| 3 | 95121-05-4 | 1H-Purine-2-carbonitrile (9CI) | 1H-Purine-2-carbonitrile (9CI) | C6H3N5
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| 4 | 40306-97-6 | 8-cyanotetrazolo<1,5-a>pyridine | 8-cyanotetrazolo<1,5-a>pyridine | C6H3N5
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| 5 | 113305-95-6 | 2,6-PYRAZINEDICARBONITRILE,3-AMINO- | 3-AMINOPYRAZINE-2,6-DICARBONITRILE | C6H3N5
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| 6 | | tetraazolo[1,5-a]pyridine-8-carbonitrile | tetraazolo[1,5-a]pyridine-8-carbonitrile | C6H3N5
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| 7 | 864439-32-7 | 1H-吡唑并[3,4-d]嘧啶-6-甲腈 | 1H-Pyrazolo[3,4-d]pyrimidine-6-carbonitrile | C6H3N5
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| 8 | 64376-15-4 | 4,6-Pyrimidinedicarbonitrile, 2-amino- (9CI) | 4,6-Pyrimidinedicarbonitrile, 2-amino- (9CI) | C6H3N5
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| 9 | 1823870-83-2 | [1,2,4]Triazolo[1,5-a]pyrazine-5-carbonitrile | [1,2,4]Triazolo[1,5-a]pyrazine-5-carbonitrile | C6H3N5
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| 10 | 88277-76-3 | [1,2,4]三唑并[4,3-b]哒嗪-3-甲腈 | 1,2,4]Triazolo[4,3-b]pyridazine-3-carbonitrile | C6H3N5
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| 11 | 319929-16-3 | Pyrrolo[3,2:4,5]imidazo[2,1-c]-1,2,4-triazole (9CI) | Pyrrolo[3,2:4,5]imidazo[2,1-c]-1,2,4-triazole (9CI) | C6H3N5
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