
1) Synthetic opioid
Found on
https://www.crosswordclues.com/clue/difenoxin

Difenoxin (Motofen, R-15403) is a 4-phenylpiperidine derivative that is related to the opioid analgesic drug pethidine (meperidine) and more distantly related to alphaprodine and piritramide, and it is an active metabolite of the anti-diarrhoea drug diphenoxylate. Difenoxin et al. have a high peripheral/central actions ratio, working primarily on ...
Found on
http://en.wikipedia.org/wiki/Difenoxin

1-(3-cyano-3,3-diphenylpropyl)-4-phenylisonipecotic acid;an antidiarrhoeal agent with actions similar to those of diphenoxylate. ... Synonym: difenoxylic acid. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

(di″fә-nok´sin) an agent used as the hydrochloride salt for its antiperistaltic action in treatment of diarrhea.
Found on
http://www.encyclo.co.uk/local/21001
No exact match found.