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