发明人徐明华,刘建华,高志强. "Method for the Synthesis of (S)-ethyl 3-(4-(2,7-naphthyridin-1-ylamino)phenyl)-2-(3-oxospiro[3.5]non-1-en-1-ylamino)propanoate" [P]. 中国发明专利, 专利号 CN 115754360 B, 授权公告日 2024-08-25.
Johnson M A, Schröder R, Mueller T. "A Process for Preparing High-Purity (S)-ethyl 3-(4-(2,7-naphthyridin-1-ylamino)phenyl)-2-(3-oxospiro[3.5]non-1-en-1-ylamino)propanoate" [P]. US Patent, US 11530466 B2, 2024-06-07.
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