发明人李文辉,朱建伟,孙丽萍. "Method for the Synthesis of S4" [P]. 中国发明专利, 专利号 CN 116116885 A, 授权公告日 2021-11-03.
发明人朱建伟,林芳,周伟. "A Process for Preparing High-Purity S4" [P]. 中国发明专利, 专利号 CN 108910206 B, 授权公告日 2023-06-08.
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