Slang terms or alternate titles caffeine-dihydrocodeine-acetylsalicylic acid acetylsalicylic acid-caffeine-dihydrocodeine dihydrocodeine-caffeine-acetylsalicylic acid A combination of caffeine, dihydrocodeine, and acetylsalicylic acid DEA Number 9807 Trade names for this combination - Choose - Synalgos-DC Schedule 3