发明人罗永刚,杨光,陈志强. "Method for the Synthesis of 4-[[[(4-Methylphenyl)sulfonyl]oxy]methyl]-2,6-pyridinedicarboxylic Acid 2,6-Dimethyl Ester
909247-46-7" [P]. 中国发明专利, 专利号 CN 113335398 A, 授权公告日 2016-10-24.
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