<unk>  is a powerful opioid analgesic. Its potency is equal to morphine, and it also has some NMDA-antagonist properties. This makes it useful for some types of pain that don't respond well to other opioids.
It is used for all types of severe pain, such as postoperative, cancer, kidney stones and fractures.
Ketobemidone
Primidone
Domperidone
Rimonabant
Valpromide
Armodafinil
Rasagiline
Bedaquiline fumarate