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发明人张德明,郭海燕,何建平. "Method for the Synthesis of 3-Aminoisoxazolo[3,4-d]pyrimidine-4,6(1H,5H)-dione" [P]. 中国发明专利, 专利号 CN 108249245 A, 授权公告日 2023-01-02.
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