Hughes D C, Roberts E F, Johnson M A. "一种5-methyl-1-propyl-2,3-dihydro-1H-indole-2,3-dione的合成方法" [P]. US Patent, US 10237637 B2, 2022-03-25.
发明人刘建华,罗永刚,钱学锋. "Method for the Synthesis of 5-methyl-1-propyl-2,3-dihydro-1H-indole-2,3-dione" [P]. 中国发明专利, 专利号 CN 114530249 B, 授权公告日 2023-04-19.
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