发明人郭海燕,李文辉,唐晓军. "Method for the Synthesis of [(4E)-6-Methyl-3,4-dihydro-2H-1-benzothiopyran-4-ylidene]amino 3-methylbenzoate" [P]. 中国发明专利, 专利号 CN 117857637 A, 授权公告日 2022-06-11.
发明人韩伟,马晓峰,沈红梅. "A Process for Preparing High-Purity [(4E)-6-Methyl-3,4-dihydro-2H-1-benzothiopyran-4-ylidene]amino 3-methylbenzoate" [P]. 中国发明专利, 专利号 CN 115183308 A, 授权公告日 2015-04-10.
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