发明人郭海燕,高志强,马晓峰. "Method for the Synthesis of Ethyl 4-(3-(2-chloroethyl)ureido)benzoate" [P]. 中国发明专利, 专利号 CN 110951067 B, 授权公告日 2019-01-11.
发明人陈志强,韩伟,马晓峰. "A Process for Preparing High-Purity Ethyl 4-(3-(2-chloroethyl)ureido)benzoate" [P]. 中国发明专利, 专利号 CN 114896664 B, 授权公告日 2018-05-06.
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