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Yintai(p-hydroxy butrophenone) is a kind of bionic fungicides synthesized by simulating the lead compound of ginkgol isolated from the exosperm of ginkgo fruit. 银泰(1-对羟基苯基丁酮)是以银杏外种皮提纯物白果酚为先导化合物仿生合成的一种杀菌剂。