发明人陈志强,杨光,郭海燕. "Method for the Synthesis of (R)-tert-Butyl 4-(2,4-difluoro-5-(2-(methylsulfinyl)ethoxy)phenyl)piperazine-1-carboxylate" [P]. 中国发明专利, 专利号 CN 110869216 A, 授权公告日 2015-09-05.
Thompson G K, Yamamoto T, Johnson M A. "A Process for Preparing High-Purity (R)-tert-Butyl 4-(2,4-difluoro-5-(2-(methylsulfinyl)ethoxy)phenyl)piperazine-1-carboxylate" [P]. US Patent, US 10579618 B2, 2017-08-03.
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