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Lee S K, Fischer A B, Patel M V. "Method for the Synthesis of 8-Ethyl-3-phenyl-1,4,8-triazaspiro[4.5]dec-3-ene-2-thione" [P]. US Patent, US 11690272 B2, 2018-12-06.
发明人王建平,钱学锋,朱建伟. "A Process for Preparing High-Purity 8-Ethyl-3-phenyl-1,4,8-triazaspiro[4.5]dec-3-ene-2-thione" [P]. 中国发明专利, 专利号 CN 115119049 A, 授权公告日 2023-05-27.
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