Synonyms:
(9β,11β,16α)-9,11-epoxy-21-hydroxy-16-methyl-pregna-1,4-diene-3,20-dione ; (9b,11b,16a)-9,11-epoxy-21-hydroxy-16-methylpregna-1,4-diene-3,20-dione ; pregna-1,4-diene-3,20-dione,9,11-epoxy-21-hydroxy-16-methyl-, (9b,11b,16a)- ; desoximetasone 17-desoxi-oxido impurity ; pregna-1,4-diene-3,20-dione, 9,11-epoxy-21-hydroxy-16-methyl-, (9β,11β,16α)-