发明人陈志强,郭海燕,钱学锋. "Method for the Synthesis of 4-Amino-6-ethyl-N-methyl-6H-pyrrolo[3,4-d]pyrimidine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 108894689 B, 授权公告日 2025-01-19.
发明人张德明,徐明华,罗永刚. "A Process for Preparing High-Purity 4-Amino-6-ethyl-N-methyl-6H-pyrrolo[3,4-d]pyrimidine-7-carboxamide" [P]. 中国发明专利, 专利号 CN 117690759 A, 授权公告日 2024-08-01.
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