Pircan, 2-Acetoxy-benzoesaeure-anhydrid, Salicylic anhydride,diacetate, anhydride de l'acide acetylsalicylique, Vigal, Benzoic acid, 2-(acetyloxy)-, anhydride, 2-acetoxy-benzoic acid-anhydride, Acetylsalicylic anhydride, Acetylsalicylic acid anhydride, O-acetylsalicylic anhydride, Contraflu, Aspirin anhydride, 2-Acetoxybenzoic anhydride