发明人何建平,孙丽萍,张德明. "Method for the Synthesis of 1-{8-chloro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl}-2,2,2-trifluoroethan-1-one" [P]. 中国发明专利, 专利号 CN 111820336 A, 授权公告日 2015-10-12.
发明人沈红梅,林芳,赵玉洁. "A Process for Preparing High-Purity 1-{8-chloro-[1,2,4]triazolo[4,3-a]pyrazin-3-yl}-2,2,2-trifluoroethan-1-one" [P]. 中国发明专利, 专利号 CN 109831049 A, 授权公告日 2020-07-08.
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