<unk>  (marketed under the brandname Dividol) is a drug which is an opioid analgesic. It has an unusual chemical structure that is not similar to other opioids.<unk>  has both antitussive (cough suppressing) and analgesic (pain reducing) effects. It has six different stereoisomers which have varying properties, with the R2 isomer being a μ-opioid full agonist slightly more potent than morphine, while the S2 isomer is an antagonist. Since<unk>  is supplied as a racemic mixture of isomers, the overall effect produces a mixed agonist-antagonist profile similar to that of opioids such as pentazocine, although with somewhat less side effects.<unk>  has similar effects to other opioids, and produces analgesia, sedation and euphoria.
Viminol
Mequinol
Gedocarnil
Nifurtoinol
Bitolterol
Pyritinol
Ethacrynic acid 
Familicide