Park J H, Williams B T, Fischer A B. "一种的合成方法" [P]. US Patent, US 10208207 B2, 2021-08-03.
发明人冯建国,杨光,何建平. "Method for the Synthesis of 1-(Morpholinomethyl)-1H-indole-2,3-dione 3-[N-(2-chlorophenyl)hydrazone]" [P]. 中国发明专利, 专利号 CN 110773005 B, 授权公告日 2021-09-14.
发明人唐晓军,黄志刚,周伟. "A Process for Preparing High-Purity 1-(Morpholinomethyl)-1H-indole-2,3-dione 3-[N-(2-chlorophenyl)hydrazone]" [P]. 中国发明专利, 专利号 CN 112449259 A, 授权公告日 2025-05-09.
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