123013-22-9 21-O-Methyl-17-O-propionylbetamethasone Amelometasone [INN] Betamethasone 17-propionate 21-methoxide Pregna-1,4-diene-3,20-dione, 9-fluoro-11-hydroxy-21-methoxy-16-methyl- 17-(1-oxopropoxy)-, (11-beta,16-beta)- TS-410