筛选产品
11β,16α,17,21-Tetrahydroxypregna-1,4-dien-3,20-dione, certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
11β,16α,17,21-Tetrahydroxypregna-1,4-dien-3,20-dione, Pharmaceutical Analytical Impurity (PAI)