[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][CH:6]=[CH:5]2.[Cl-].[CH:12](=[N+:19]([CH3:21])[CH3:20])[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1>>[Cl:1][C:2]1[CH:3]=[C:4]2[C:8](=[CH:9][CH:10]=1)[NH:7][CH:6]=[C:5]2[CH:12]([N:19]([CH3:21])[CH3:20])[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1The preparation was carried out in accordance with general synthesis instructions 4 from 5-chloro-1H-indole and benzylidene-dimethyl-ammonium chloride, which had been prepared in accordance with example 1.
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