发明人郭海燕,赵玉洁,徐明华. "Method for the Synthesis of 8-bromo-3,4-dihydro-1,4-benzoxazepine-2,5-dione" [P]. 中国发明专利, 专利号 CN 113824389 B, 授权公告日 2015-11-25.
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