Roberts E F, Schröder R, Anderson J P. "一种卡麦角林EP杂质A的合成方法" [P]. US Patent, US 11327241 B2, 2015-02-10.
发明人李文辉,马晓峰,唐晓军. "Method for the Synthesis of Cabergoline EP Impurity A" [P]. 中国发明专利, 专利号 CN 108390234 B, 授权公告日 2025-10-14.
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