甲基水杨酸甲酯 Methyl 5-methylsalicylate ; Methylsalicylic Acid Methyl Ester ; methyl salicylate

5-甲基水杨酸甲酯 Methyl 5-methylsalicylate ; Methyl 2-hydroxy-5-methylbenzoate

4-甲基水杨酸甲酯 Methylsalicylic Acid Methyl Ester ; Methyl-4-methylsalicylate ; Methyl 2-hydroxy-4-methylbenzoate