新戊酰基乙酸甲酯

三氟甲磺酸

2,2-dimethylpropanoic acid 2-(1,1-dimethylethyl)-4-oxo-4H-1-benzopyran-6-yl ester

2,2-dimethylpropanoic acid 3-(4,4-dimethyl-1,3-dioxopentyl)-4-hydroxyphenyl ester

三甲基乙酰氯