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发明人林芳,冯建国,郭海燕. "Method for the Synthesis of 1633-43-8
2-ethoxy-5-amino pyridine
3-amino-4-ethoxypyridine
4-Ethoxypyridin-3-amine
4-ethoxy-3-aminopyridine
4-ethoxy-3-pyridinamine
6-ethoxy-pyridin-3-ylamine" [P]. 中国发明专利, 专利号 CN 108925134 A, 授权公告日 2017-10-01.
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