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The bulbs of Fritillaria spp.(Liliaceae)are used in Chinese medicine as antipyretic,anti-tussive,expectorant,etc.In order to search for the bioactive constituents from this genus,thebulbs of four species of medicinal Fritillaria plants have been investigated.Thirteen compoundswere isolated from Fritillaria thunbergii Miq.,three of them were new compounds.Fourteencompounds from Fritillaria thunbergii var.chekiangensis Hsiao et K.C.Hsia collected inDongyang of Zhejiang Province,four of them are new compounds and another one was first iso-
The bulbs of Fritillaria spp. (Liliaceae) are used in Chinese medicine as antipyretic, anti-tussive, expectorant, etc. In order to search for the bioactive constituents from this genus, the bulbs of four species of medicinal Fritillaria plants have been investigated. Tirteen compoundswere isolated from Fritillaria thunbergii Miq., three of them were new compounds. Courtcompounds from Fritillaria thunbergii var. chekiangensis Hsiao et KCHsia collected in Dongyang of Zhejiang Province, four of them are new compounds and another one first first iso-