发明人张德明,罗永刚,郭海燕. "Method for the Synthesis of 6-Formyl-4-nitropyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 115959333 B, 授权公告日 2022-02-26.
发明人林芳,李文辉,张德明. "A Process for Preparing High-Purity 6-Formyl-4-nitropyridine-2-sulfonyl chloride" [P]. 中国发明专利, 专利号 CN 117464974 A, 授权公告日 2019-12-07.
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