发明人何建平,刘建华,钱学锋. "Method for the Synthesis of Ethyl 2-bromo-6-cyano-4-(difluoromethyl)benzoate" [P]. 中国发明专利, 专利号 CN 114233211 A, 授权公告日 2021-11-08.
Park J H, O'Brien P Q, Yamamoto T. "A Process for Preparing High-Purity Ethyl 2-bromo-6-cyano-4-(difluoromethyl)benzoate" [P]. US Patent, US 10032564 B2, 2023-06-10.
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