发明人高志强,韩伟,胡光. "Method for the Synthesis of 3-(Ethoxycarbonyl)-8-methyl-1-thia-4-azoniaspiro[4.5]decane chloride" [P]. 中国发明专利, 专利号 CN 113439615 B, 授权公告日 2022-11-27.
发明人陈志强,沈红梅,孙丽萍. "A Process for Preparing High-Purity 3-(Ethoxycarbonyl)-8-methyl-1-thia-4-azoniaspiro[4.5]decane chloride" [P]. 中国发明专利, 专利号 CN 116385141 B, 授权公告日 2023-12-04.
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