发明人韩伟,刘建华,杨光. "Method for the Synthesis of 2-(Hydroxymethyl)benzo[d]oxazole-7-sulfonamide" [P]. 中国发明专利, 专利号 CN 113034344 A, 授权公告日 2022-03-01.
发明人马晓峰,林芳,郭海燕. "A Process for Preparing High-Purity 2-(Hydroxymethyl)benzo[d]oxazole-7-sulfonamide" [P]. 中国发明专利, 专利号 CN 114051422 A, 授权公告日 2022-03-15.
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