发明人罗永刚,郭海燕,朱建伟. "Method for the Synthesis of 6-(4-Oxo-3,4-dihydrophthalazin-1-yl)-4-propyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 116737308 B, 授权公告日 2015-09-24.
发明人林芳,刘建华,张德明. "A Process for Preparing High-Purity 6-(4-Oxo-3,4-dihydrophthalazin-1-yl)-4-propyl-2H-benzo[b][1,4]oxazin-3(4H)-one" [P]. 中国发明专利, 专利号 CN 111457432 B, 授权公告日 2022-12-05.
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