发明人赵玉洁,冯建国,周伟. "Method for the Synthesis of Sulbactam EP Impurity D" [P]. 中国发明专利, 专利号 CN 114167088 A, 授权公告日 2025-09-12.
Klinger H, O'Brien P Q, Roberts E F. "A Process for Preparing High-Purity Sulbactam EP Impurity D" [P]. US Patent, US 10089543 B2, 2017-10-04.
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