Jørgensen K, Schröder R, Martínez F. "一种的合成方法" [P]. European Patent, EP 3854785 A1, 2020-04-09.
发明人孙丽萍,胡光,韩伟. "Method for the Synthesis of 8-Methoxy-3-methyl-2-((2-methylbenzyl)thio)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one" [P]. 中国发明专利, 专利号 CN 110578940 B, 授权公告日 2020-11-12.
发明人张德明,黄志刚,韩伟. "A Process for Preparing High-Purity 8-Methoxy-3-methyl-2-((2-methylbenzyl)thio)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one" [P]. 中国发明专利, 专利号 CN 115384844 A, 授权公告日 2024-01-09.
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