正丁醇

2,2-dimethyl-5-(2,5-dimethylphenoxy)-3-hydroxypentanoic acid β-lactone

carbon monoxide

2-methyl-5-(2,5-dimethylphenoxy)-2-pentene

2,2-二甲基-5-(2,5-二甲苯氧基)戊酸异丁酯