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发明人郑宇鹏,孙丽萍,何建平. "Method for the Synthesis of methyl 4-[(2,4-diamino-7-oxo-8H-pteridin-6-yl)methyl-methylamino]benzoate" [P]. 中国发明专利, 专利号 CN 112982963 A, 授权公告日 2024-12-06.
发明人郭海燕,徐明华,孙丽萍. "A Process for Preparing High-Purity methyl 4-[(2,4-diamino-7-oxo-8H-pteridin-6-yl)methyl-methylamino]benzoate" [P]. 中国发明专利, 专利号 CN 113703785 A, 授权公告日 2020-07-24.
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