Pyridine series

3-bromo-5-nitrobenzaldehyde

3-bromo-5-methylbenzaldehyde

3-bromo-5-fluorobenzaldehyde

3-bromo-5-fluoro-4-hydroxybenz

3-bromo-5-chlorobenzaldehyde

3-bromo-4-trifluoromethylbenza

3-bromo-4-nitrobenzaldehyde

3-bromo-2-hydroxybenzaldehyde

3-bromo-2-chlorobenzaldehyde

3,6-difluoro-2-methoxybenzalde

3,6-difluoro-2-hydroxybenzalde

3,5-difluoro-4-hydroxybenzalde