发明人张德明,孙丽萍,钱学锋. "Method for the Synthesis of 3-amino-2-chloro-6-methylpyridine-4-carboxylic acid hydrochloride" [P]. 中国发明专利, 专利号 CN 109505099 B, 授权公告日 2017-03-03.
参考文献 Literature
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