C₁₁H₁₈N₂O₃

The molecular formula C₁₁H₁₈N₂O₃ (molar mass: 226.27 g/mol) may be referred as:

• Amobarbital
• Pentobarbital
• Timoxeline Barbebutenol, a fictional drug that is a plot element in the film Johnny English Reborn that causes subjects to become totally submissive while induced into as brief hypnosis before a Sudden Cardiac Arrest. The Central Intelligence Agency is said to have developed the drug under a member of Vortex and eventually supposedly destroyed the drug ten years prior to the movie's events. Its molecular structure is identical to the aforementioned Pentobarbital.

Structure of the fictional drug Timoxeline Barbebutenol, as shown in the film Johnny English Reborn