Martínez F, Rossi M, Björnsson E. "Method for the Synthesis of 1,1-bis(trideuteriomethyl)urea" [P]. European Patent, EP 3654064 A1, 2019-09-15.
发明人唐晓军,郭海燕,马晓峰. "A Process for Preparing High-Purity 1,1-bis(trideuteriomethyl)urea" [P]. 中国发明专利, 专利号 CN 109529475 A, 授权公告日 2019-12-11.
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