发明人唐晓军,高志强,钱学锋. "Method for the Synthesis of PROCYANIDIN A1" [P]. 中国发明专利, 专利号 CN 109454621 B, 授权公告日 2017-12-08.
发明人郭海燕,冯建国,王建平. "A Process for Preparing High-Purity PROCYANIDIN A1" [P]. 中国发明专利, 专利号 CN 109748810 B, 授权公告日 2018-12-09.
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