Rossi M, Jørgensen K, Nowak P. "一种的合成方法" [P]. European Patent, EP 3679136 A1, 2017-05-16.
Nowak P, Rossi M, Björnsson E. "Method for the Synthesis of 6-Chloro-2-(2-chloroethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. European Patent, EP 3573484 A1, 2015-01-21.
发明人刘建华,杨光,王建平. "A Process for Preparing High-Purity 6-Chloro-2-(2-chloroethyl)-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 109535873 B, 授权公告日 2022-01-19.
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