text: <unk>  (chemical formula C6H4(HO)COOCH3; also known as salicylic acid<unk>  ester, oil of wintergreen, betula oil,<unk> -2-hydroxybenzoate) is a natural product of many species of plants.  Some of the plants producing it are called wintergreens, hence the common name.
option_0: Methyl salicylate
option_1: Potassium salicylate
option_2: Caffeine
option_3: Aluminium chloride
option_4: Benzydamine
option_5: Phenoperidine
option_6: Rotenone
option_7: Nimesulide