Standards; Pharmaceutical/API Drug Impurities/Metabolites;
应用:
(4aR,4bS,5S,6aS,7aR,11aR,12aS,12bS)-5,7a-dihydroxy-4a,6a-dimethyl-10-propyl-4b,5,6,6a,7a,8,11a,12,12a,12b,13,14-dodecahydro-2H-chryseno[3,2-d][1,3]dioxine-2,7(4aH)-dione is am impurity in the synthesis of 16α,17-[(1RS)-butylidenebis(oxy)]-11β-hydroxy-17-(hydroxymethyl)-D-homoandrosta-1,4-diene-3,17a-dione which is an impurity of Budesonide (B689490), an antiinflammatory agent.
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