azd-1940 azd-1940 azd-1940 is a drug developed by astrazeneca, that is a peripherally selective cannabinoid agonist which binds with high affinity to both the cb1 and cb2 receptors. it was developed for the treatment of neuropathic pain, but while it showed good peripheral selectivity in animal studies, in human clinical trials it failed to show sufficient analgesic efficacy and produced unexpectedly strong side effects associated with central cannabinoid activity, and so was discontinued from further development. azd-1940clinical dataroutes ofadministrationorallegal statuslegal status investigational new drug identifiers iupac name n-ethanesulfonamide cas number881413-29-2pubchem cid11675994chemspider9850723unii0j0035e9ftchemical and physical dataformulac20h29f2n3o2smolar mass413.53 g·mol−13d model (jsmol)interactive image smiles ccs(=o)(=o)nc1ccc2c(c1)nc(n2cc3ccc(cc3)(f)f)c(c)(c)c inchi inchi=1s/c20h29f2n3o2s/c1-5-28(26,27)24-15-6-7-17-16(12-15)23-18(19(2,3)4)25(17)13-14-8-10-20(21,22)11-9-14/h6-7,12,14,24h,5,8-11,13h2,1-4h3key:zagggzcifuqhoh-uhfffaoysa-n