Sørensen M, Björnsson E, Martínez F. "Method for the Synthesis of Methyl 2-{[6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl}benzoate" [P]. European Patent, EP 3846712 A1, 2018-11-14.
发明人赵玉洁,钱学锋,黄志刚. "A Process for Preparing High-Purity Methyl 2-{[6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl]sulfanyl}benzoate" [P]. 中国发明专利, 专利号 CN 116122116 A, 授权公告日 2020-11-02.
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