3-ethoxy-4-[(3-methylbenzyl)oxy]benzaldehyde

3-{[3-(trifluoromethyl)benzyl]oxy}benzaldehyde

4-{[3-(trifluoromethyl)benzyl]oxy}benzaldehyde

4-[(4-Chlorobenzyl)oxy]benzaldehyde

4-[(2-chlorobenzyl)oxy]benzaldehyde

4-[(2-chloro-4-fluorobenzyl)oxy]-3-methoxybenzaldehyde

methyl 2-amino-4-(2-furyl)thiophene-3-carboxylate

methyl 2-amino-7-methoxy-4,5-dihydronaphtho[2,1-b]thiophene-1-carboxylate

methyl 2-amino-4-(4-ethoxyphenyl)-5-methylthiophene-3-carboxylate

methyl 2-amino-5-ethyl-4-phenylthiophene-3-carboxylate