发明人高志强,罗永刚,胡光. "Method for the Synthesis of rac-(2R,4R)-4-hydroxy-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 115146642 A, 授权公告日 2015-03-20.
发明人唐晓军,胡光,周伟. "A Process for Preparing High-Purity rac-(2R,4R)-4-hydroxy-3,4-dihydro-2H-1-benzopyran-2-carboxylic acid" [P]. 中国发明专利, 专利号 CN 114093077 B, 授权公告日 2018-11-03.
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