befunolol befunolol befunolol (inn) is a beta blocker with intrinsic sympathomimetic activity used in the management of open-angle glaucoma. it also acts as a β adrenoreceptor partial agonist. befunolol was introduced in japan in 1983 by kakenyaku kako co. under the trade name bentos. befunololclinical datatrade namesbenfuran, bentos, betaclar, glauconexahfs/drugs.cominternational drug namesatc codes01ed06 (who) identifiers iupac name (rs)-1-ethanone cas number39552-01-7 ypubchem cid2309drugbankdb09013 nchemspider2219 yunii418546mt3akeggd07496 ychemblchembl153984 ychemical and physical dataformulac16h21no4molar mass291.347 g·mol−13d model (jsmol)interactive image smiles o=c(c2oc1c(occ(o)cnc(c)c)cccc1c2)c inchi inchi=1s/c16h21no4/c1-10(2)17-8-13(19)9-20-14-6-4-5-12-7-15(11(3)18)21-16(12)14/h4-7,10,13,17,19h,8-9h2,1-3h3 ykey:zpqpdbihycbnig-uhfffaoysa-n y ny (what is this?) (verify)