Chen K W, Schröder R, Mueller T. "Method for the Synthesis of N-(2-Methoxyethyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide" [P]. US Patent, US 9029266 B2, 2021-06-27.
发明人黄志刚,周伟,钱学锋. "A Process for Preparing High-Purity N-(2-Methoxyethyl)-2-methyl-3-oxo-3,4-dihydro-2H-1,4-benzoxazine-2-carboxamide" [P]. 中国发明专利, 专利号 CN 113960317 B, 授权公告日 2022-05-03.
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