4-{[3-(methoxycarbonyl)-5-methylthien-2-yl]amino}-4-oxobutanoic acid

3-bromo-5-ethoxy-4-hydroxybenzaldehyde oxime

N-benzyl-2-(2-ethoxy-4-formylphenoxy)acetamide

3-chloro-5-ethoxy-4-isopropoxybenzaldehyde

3-bromo-4-butoxy-5-ethoxybenzaldehyde

2-(2-bromo-4-formyl-6-methoxyphenoxy)-N-(2-methylphenyl)acetamide

2-bromo-4-butoxy-5-methoxybenzaldehyde

2-(5-bromo-4-formyl-2-methoxyphenoxy)-N-(2-methylphenyl)acetamide

2,3-dibromo-4,5-diethoxybenzaldehyde

(4-formyl-2-iodo-6-methoxyphenoxy)acetic acid

4-(benzyloxy)-3-ethoxy-5-iodobenzaldehyde