Standards; Pharmaceutical/API Drug Impurities/Metabolites; Steroids;
应用:
(11β,16β,17α,20R)-9-Fluoro-11,20-dihydroxy-16-methyl-3-oxopregna-1,4-dien-21-oic Acid, is an impurity of Betamethasone (B327000), a glucocorticoid used as an anti-inflammatory agent.