Johnson M A, Lee S K, Hughes D C. "Method for the Synthesis of ETHYL 6-CHLOROOXOINDOLINE-3-CARBOXYLATE" [P]. US Patent, US 11139848 B2, 2022-07-27.
发明人孙丽萍,林芳,张德明. "A Process for Preparing High-Purity ETHYL 6-CHLOROOXOINDOLINE-3-CARBOXYLATE" [P]. 中国发明专利, 专利号 CN 110894813 B, 授权公告日 2021-12-05.
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