Lee S K, Johnson M A, Park J H. "Method for the Synthesis of 1171787-39-5
Ethyl 5-methoxy-2-methyl-4-pyruvoyl-1H-pyrrole-3-carboxylate
MFCD14281907" [P]. US Patent, US 10820070 B2, 2025-07-03.
发明人李文辉,冯建国,钱学锋. "A Process for Preparing High-Purity 1171787-39-5
Ethyl 5-methoxy-2-methyl-4-pyruvoyl-1H-pyrrole-3-carboxylate
MFCD14281907" [P]. 中国发明专利, 专利号 CN 116913623 A, 授权公告日 2022-04-01.
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