发明人胡光,郭海燕,徐明华. "Method for the Synthesis of 7-Ethyl-8-mercapto-1,3-dimethyl-3,7-dihydro-purine-2,6-dione" [P]. 中国发明专利, 专利号 CN 108568449 B, 授权公告日 2019-04-16.
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