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发明人郑宇鹏,孙丽萍,徐明华. "Method for the Synthesis of 72156-72-0
N-(4-Ethoxy-1-13C-phenyl)acetamide
Phenacetin-ethoxy-1-13C
p-Acetophenetidide-ethoxy-1-13C" [P]. 中国发明专利, 专利号 CN 116442777 A, 授权公告日 2020-12-17.
发明人韩伟,林芳,何建平. "A Process for Preparing High-Purity 72156-72-0
N-(4-Ethoxy-1-13C-phenyl)acetamide
Phenacetin-ethoxy-1-13C
p-Acetophenetidide-ethoxy-1-13C" [P]. 中国发明专利, 专利号 CN 109292275 A, 授权公告日 2025-02-14.
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