[N+:1]([C:4]1[CH:13]=[C:12]2[C:7]([C:8](=[O:24])[N:9]([CH2:15][C:16]3[CH:23]=[CH:22][C:19]([C:20]#[N:21])=[CH:18][CH:17]=3)[C:10](=[O:14])[NH:11]2)=[CH:6][CH:5]=1)([O-:3])=[O:2].[CH2:25](I)[CH2:26][CH3:27].C(=O)([O-])[O-].[K+].[K+]>CS(C)=O>[N+:1]([C:4]1[CH:13]=[C:12]2[C:7]([C:8](=[O:24])[N:9]([CH2:15][C:16]3[CH:23]=[CH:22][C:19]([C:20]#[N:21])=[CH:18][CH:17]=3)[C:10](=[O:14])[N:11]2[CH2:25][CH2:26][CH3:27])=[CH:6][CH:5]=1)([O-:3])=[O:2]Prepared analogously to Example 1c from 4-[(7-nitro-1,4-dihydro-2H-quinazolin-2,4-dion-3-yl)-methyl]-benzonitrile, propyl iodide and potassium carbonate in dimethyl sulphoxide.
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