**2.4 Thebaine**

IUPAC Name: (4R,7aR,12bS)-7,9-dimethoxy-3-methyl-2,4,7a,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline.

Thebaine, also known as paramorphine, which is not used for medicinal purposes and is used for the production of other opioids, is the fourth opioid alkaloid according to its density in the raw *Papaver somniferum L.* plant. Thebaine exposure can be addictive as in the use of morphine, as well as strychnine-like convulsions [91].
