salicil-acetata acido acetylsalicylic acid acetylsalicylic acid Acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid Aspirin – Wikipedia acetylsalicylic acid Acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid acetylsalicylic acid