Pyridine series

2,4-dibromobenzaldehyde

2,3-difluoro-4-hydroxybenzalde

2,3,5-trichlorobenzaldehyde

N-phenyl-2-chloroaniline

5-chloro-4-methyl-2-nitroanili

5-chloro-2-trifluoromethylanil

5-chloro-2,4-difluoroaniline

5-bromo-2-trifluoromethylanili

5-bromo-2-iodoaniline

4-fluoro-2-nitro-5-trifluorome

4-chloro-2-methyl-6-nitroanili

4-chloro-2-nitro-5-trifluorome