[C:1]1([CH2:7][C:8]#[N:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[NH2:10][C:11]1[N:16]=[C:15]([NH2:17])[C:14]([CH:18]=O)=[CH:13][N:12]=1>>[C:1]1([C:7]2[C:8]([NH2:9])=[N:17][C:15]3[N:16]=[C:11]([NH2:10])[N:12]=[CH:13][C:14]=3[CH:18]=2)[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1Following the procedure of Example 1, phenylacetonitrile was reacted with 2,4-diamino-5-pyrimidinecarboxaldehyde to give the title compound; mp 317°-318° C.
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