1,5,6,7-tetrachloro-3-phenyl-1,2,4-benzothiadiazine

N'-(3-chlorophenyl)benzenecarboximidamide

1-chloro-3-phenyl-1,2,4-benzothiadiazine

N'-(2,4-dichlorophenyl)benzenecarboximidamide

N-Chloro-N'-(p-chlorophenyl)-benzamidine