bevantolol bevantolol bevantolol (inn) was a drug candidate for angina and hypertension that acted as both a beta blocker and a calcium channel blocker. it was discovered and developed by warner-lambert but in january 1989 the company announced that it had withdrawn the new drug application; the company's chairman said: "who needs the 30th beta blocker?" as of 2016 it wasn't marketed in the us, uk, or europe and the authors of a cochrane review could find no product monograph for it. bevantololclinical dataahfs/drugs.cominternational drug namesroutes ofadministrationoralatc codec07ab06 (who) identifiers iupac name (rs)-amine cas number59170-23-9 ypubchem cid2372drugbankdb01295 ychemspider2282 yunii34zxw6zv21chebichebi:238698 ychemblchembl314010 ycomptox dashboard (epa)dtxsid70860597 chemical and physical dataformulac20h27no4molar mass345.439 g·mol−13d model (jsmol)interactive imagechiralityracemic mixture smiles o(c1ccc(cc1oc)ccncc(o)coc2cc(ccc2)c)c inchi inchi=1s/c20h27no4/c1-15-5-4-6-18(11-15)25-14-17(22)13-21-10-9-16-7-8-19(23-2)20(12-16)24-3/h4-8,11-12,17,21-22h,9-10,13-14h2,1-3h3 ykey:hxlafsuppdyfeo-uhfffaoysa-n y (verify)