1.Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).

1.而许多常用漱口药水则含有芳香油，包括薄荷脑、桉叶醇以及柳酸甲酯（冬青油）。

2.The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.

2.4-羟香合成方法，重点介绍苯酚法，乙酰水杨酸法，水杨酸甲酯法，邻羟苯乙酮法。

3.Approximately 30 compounds have been identified in the aroma of green tea, the major ones being benzyl alcohol, phenylethyl alcohol, a hexenol, linalool, geraniol and methyl salicylate.

3.约有30种化合物已从绿茶香气中鉴别出来，其中主要有苯甲醇、苯乙醇、已烯醇、沉香醇、香茅醇和甲水杨酸酯。