发明人杨光,韩伟,郭海燕. "Method for the Synthesis of 6'-Fluorospiro[azetidine-3,4'-benzo[d][1,3]oxazin]-2'(1'H)-one" [P]. 中国发明专利, 专利号 CN 115876810 A, 授权公告日 2025-05-22.
Thompson G K, Schröder R, Patel M V. "A Process for Preparing High-Purity 6'-Fluorospiro[azetidine-3,4'-benzo[d][1,3]oxazin]-2'(1'H)-one" [P]. US Patent, US 10594901 B2, 2025-02-11.
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