1466-82-6 2-(Acetyloxy)benzoic acid anhydride 2-Acetoxybenzoic anhydride 4-10-00-00165 (Beilstein Handbook Reference) Acetylsalicylic acid anhydride Acetylsalicylic anhydride Aspirin anhydride BRN 2015320 Benzoic acid, 2-(acetyloxy)-, anhydride (9CI) Contraflu EINECS 215-987-5 NSC 63848 NSC 80056 Pircan SALICYLIC ANHYDRIDE DIACETATE Salicylic acid, acetate, anhydride Salicylic anhydride, diacetate Vigal