Potassium Cation → Diazo bis-(4-chloro-phenyl)-methane

Reaction equation

[Ag:33]=[O:34].[C:24](=[O:25])([O-:26])[O-:27].[CH2:30]([Cl:31])[Cl:32].[Cl:1][c:2]1[cH:3][cH:4][c:5]([C:6]([c:7]2[cH:8][cH:9][c:10]([Cl:13])[cH:11][cH:12]2)=[N:14][NH2:15])[cH:16][cH:17]1.[K+:28].[K+:29].[Mg+2:18].[O-:19][S:20](=[O:21])(=[O:22])[O-:23]>>[Cl:1][c:2]1[cH:3][cH:4][c:5]([C:6]([c:7]2[cH:8][cH:9][c:10]([Cl:13])[cH:11][cH:12]2)=[N+:14]=[N-:15])[cH:16][cH:17]1