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2-Fluoro-6-amino-benzaldehyde

2-Chloro-3,4-difluorobenzaldehyde

3-Bromo-5-hydroxybenzaldehyde

5-Bromo-2-ethylbenzaldehyde

2，6-Dibromo-4-fluorobenzaldehyde

4-Amino-2-chlorobenzaldehyde

2-Fluoro-4-trifluoromethylbenzaldehyde

3-Fluoro-5-bromo-4-hydroxybenzaldehyde

2-Amino-5-hydroxybenzaldehyde

2,6-Dichloro-4-bromobenzaldehyde