发明人赵玉洁,杨光,郭海燕. "Method for the Synthesis of Methysergide Maleate" [P]. 中国发明专利, 专利号 CN 117975383 B, 授权公告日 2018-01-14.
发明人胡光,马晓峰,孙丽萍. "A Process for Preparing High-Purity Methysergide Maleate" [P]. 中国发明专利, 专利号 CN 114284753 A, 授权公告日 2022-10-22.
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