Park J H, Schröder R, Mueller T. "Method for the Synthesis of 5-Chloro-N-(4-(cyanomethyl)phenyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide" [P]. US Patent, US 9750356 B2, 2025-07-09.
发明人刘建华,钱学锋,张德明. "A Process for Preparing High-Purity 5-Chloro-N-(4-(cyanomethyl)phenyl)-3-methyl-2-oxo-2,3-dihydrobenzo[d]oxazole-6-sulfonamide" [P]. 中国发明专利, 专利号 CN 108762305 B, 授权公告日 2025-03-08.
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