发明人徐明华,唐晓军,王建平. "Method for the Synthesis of Buturol-tert-butyl-d<SUB>9</SUB> hydrochloride" [P]. 中国发明专利, 专利号 CN 116353236 A, 授权公告日 2021-07-21.
发明人陈志强,林芳,高志强. "A Process for Preparing High-Purity Buturol-tert-butyl-d<SUB>9</SUB> hydrochloride" [P]. 中国发明专利, 专利号 CN 110503545 B, 授权公告日 2020-07-01.
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