6-acetyl-3,5-dibromo-6-hydroxycyclohexa-2,4-diene-1-carboxylic acid

2-ethenyl-2-methyl-1,3,2-benzodioxasilin-4-one

2-hydroxybenzoyl azide

N-(4-fluorophenyl)-2-hydroxy-3-nitrobenzamide

3-溴-5-氯水杨酸