2.Many popular mouthwashes contain flavor oils, including menthol, eucalyptol and methyl salicylate (wintergreen oil).
而许多常用的漱口药则有香油,包括薄荷脑、桉叶醇以及柳酸甲酯(冬青油)。
3.The primary synthetic methods of 4-hydroxycoumarin was reviewed starting from phenol, 2-acetylsalicylic acid, methyl salicylate, and o-hydroxyacetophenone respectively.