发明人刘建华,陈志强,杨光. "Method for the Synthesis of 2,6-Dichloro-3,4-pyridinediamine Hydrochloride
3,4-Diamino-2,6-dichloropyridine Hydrochloride
89603-10-1" [P]. 中国发明专利, 专利号 CN 116838387 B, 授权公告日 2021-10-08.
发明人杨光,孙丽萍,罗永刚. "A Process for Preparing High-Purity 2,6-Dichloro-3,4-pyridinediamine Hydrochloride
3,4-Diamino-2,6-dichloropyridine Hydrochloride
89603-10-1" [P]. 中国发明专利, 专利号 CN 108429744 B, 授权公告日 2022-03-09.
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