Laudanidine, also known as apomorphine-6-O-β-glucoside, is a natural alkaloid derived from opium. This chemical compound has various synonyms that have been used in the scientific and medical field to refer to it. Some of these synonyms include: biosmorine, narigenine, narceinigenine, narcotigenine and papaverine-N‐oxide. Laudanidine is typically used as a sedative and pain reliever, and it has also been investigated for its potential in treating addiction and anxiety disorders. The diverse range of synonyms for laudanidine reflects the ongoing research into the different applications and possible benefits this compound can provide.