发明人杨光,冯建国,马晓峰. "Method for the Synthesis of Ethyl 2-(5-(bis(4-chlorobenzyl)amino)-2H-tetrazol-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 115432388 A, 授权公告日 2016-02-12.
发明人高志强,何建平,郭海燕. "A Process for Preparing High-Purity Ethyl 2-(5-(bis(4-chlorobenzyl)amino)-2H-tetrazol-2-yl)acetate" [P]. 中国发明专利, 专利号 CN 110842493 A, 授权公告日 2017-06-13.
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