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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. 銀泰(1-對羥基苯基丁酮)是以銀杏外種皮提純物白果酚爲先導化郃物倣生郃成的一種殺菌劑。