cortobenzolone cortobenzolone cortobenzolone (brand name tuplix), also known as betamethasone salicylate, is a synthetic glucocorticoid corticosteroid and corticosteroid ester which is marketed in spain. cortobenzoloneclinical datatrade namestuplixother namesbetamethasone salicylate; 9α-fluoro-11β,16α,17α-trihydroxy-21-((2-hydroxybenzoyl)oxy)pregna-1,4-diene-3,20-dionedrug classcorticosteroid; glucocorticoididentifiers iupac name phenanthren-17-yl]-2-oxoethyl] 2-hydroxybenzoate cas number52619-32-6 65849-38-9pubchem cid191783chemspider166511chemical and physical dataformulac28h31fo8molar mass514.546 g·mol−13d model (jsmol)interactive image smiles c12c(c3((1c(2(c(=o)coc(=o)c4=cc=cc=c4o)o)o)ccc5=cc(=o)c=c53c)f)o inchi inchi=1s/c28h31fo8/c1-25-10-9-16(30)11-15(25)7-8-18-19-12-21(32)28(36,26(19,2)13-22(33)27(18,25)29)23(34)14-37-24(35)17-5-3-4-6-20(17)31/h3-6,9-11,18-19,21-22,31-33,36h,7-8,12-14h2,1-2h3/t18-,19-,21+,22-,25-,26-,27?,28-/m0/s1key:fvuhhrotfpgtfl-ohkawvansa-n