6-hydroxy-4,7-dimethoxy-1-benzofuran-5-carboxylic acid

(4-methoxybenzoyl) 4-methoxybenzenecarboperoxoate

methyl 2,2,3,3-tetrafluoro-3-methylsulfonylpropanoate

4-甲氧基-2,3,5-三甲基吡啶-n-氧化物

2-(2-溴-5-甲氧基苯基)乙酸