4-Isobutoxy-benzaldehyde

4-Benzyl-benzaldehyde

6-Chlorosalicylaldehyde

3-Chloro-4-(trifluoromethoxy)benzaldehyde

5-tert-Butylsalicylaldehyde

2-Bromo-4-hydroxy-5-methoxybenzaldehyde

4-Benzyloxy-2-methoxybenzaldehyde

2-Aminoimidazole hemisulfate

3-(Aminomethyl)piperidine

Ethyl 2-(2-aminothiazol-4-yl)glyoxylate