发明人李文辉,林芳,高志强. "Method for the Synthesis of EH44" [P]. 中国发明专利, 专利号 CN 113229111 B, 授权公告日 2022-06-28.
Mueller T, Patel M V, Roberts E F. "A Process for Preparing High-Purity EH44" [P]. US Patent, US 9256889 B2, 2022-05-09.
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