发明人韩伟,郭海燕,陈志强. "Method for the Synthesis of ((1S,7R,7AR)-7-((4-nitrobenzoyl)oxy)hexahydro-1H-pyrrolizin-1-yl)methyl 4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 109653802 B, 授权公告日 2019-03-28.
发明人郭海燕,郑宇鹏,徐明华. "A Process for Preparing High-Purity ((1S,7R,7AR)-7-((4-nitrobenzoyl)oxy)hexahydro-1H-pyrrolizin-1-yl)methyl 4-nitrobenzoate" [P]. 中国发明专利, 专利号 CN 108635715 B, 授权公告日 2019-07-04.
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