发明人何建平,李文辉,赵玉洁. "Method for the Synthesis of Halometasone Impurity N2" [P]. 中国发明专利, 专利号 CN 112058236 A, 授权公告日 2017-04-03.
Martínez F, Lefèvre J P, Mueller T C. "A Process for Preparing High-Purity Halometasone Impurity N2" [P]. European Patent, EP 3964834 A1, 2018-04-11.
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