发明人刘建华,唐晓军,郑宇鹏. "Method for the Synthesis of 2-[[(4-Cyanophenyl)amino]methyl]-1-methyl-1H-benzimidazole-5-carboxylic-d3 Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 111421543 A, 授权公告日 2023-03-04.
发明人钱学锋,沈红梅,郭海燕. "A Process for Preparing High-Purity 2-[[(4-Cyanophenyl)amino]methyl]-1-methyl-1H-benzimidazole-5-carboxylic-d3 Acid Ethyl Ester" [P]. 中国发明专利, 专利号 CN 116939072 B, 授权公告日 2021-08-23.
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