发明人高志强,韩伟,杨光. "Method for the Synthesis of tert-Butyl 2-chloro-4-methoxy-5,8-dihydropyrido[3,4-d]pyrimidine-7(6H)-carboxylate" [P]. 中国发明专利, 专利号 CN 112438650 B, 授权公告日 2025-11-05.
发明人黄志刚,赵玉洁,周伟. "A Process for Preparing High-Purity tert-Butyl 2-chloro-4-methoxy-5,8-dihydropyrido[3,4-d]pyrimidine-7(6H)-carboxylate" [P]. 中国发明专利, 专利号 CN 112368301 A, 授权公告日 2015-03-09.
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