|CompTox Dashboard (EPA)|
|Chemical and physical data|
|Molar mass||238.20 g/mol g·mol−1|
|3D model (JSmol)|
|(what is this?)|
Acefylline (INN), also known as acetyloxytheophylline, is a stimulant drug of the xanthine chemical class. It acts as an adenosine receptor antagonist. It is combined with diphenhydramine in the pharmaceutical preparation etanautine to help offset diphenhydramine induced drowsiness.
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