ibazocine ibazocine ibazocine (inn, usan) is an opioid analgesic which was never marketed. ibazocineclinical dataatc codenoneidentifiers iupac name 1,13,13-trimethyl-10-(3-methyl-2-buten-1-yl)-10-azatricyclotrideca-2,4,6-trien-4-ol cas number57653-28-8pubchem cid216286chemspider27470962unii161094wkhichemblchembl2106302chemical and physical dataformulac20h29nomolar mass299.458 g·mol−13d model (jsmol)interactive image smiles cc(=ccn1cc2(c3cc(ccc3c1c2(c)c)o)c)c inchi inchi=1s/c20h29no/c1-14(2)8-10-21-11-9-20(5)17-13-16(22)7-6-15(17)12-18(21)19(20,3)4/h6-8,13,18,22h,9-12h2,1-5h3/t18-,20+/m1/s1key:cfuqbfqtfmozbk-quccmnqesa-n