日期:2023-04-21 18:11
狀態(tài):待解決
提問(wèn):kjcxac
Abstract:
In order to study the chemical constituents from the branches and leaves ofHeynea trijuga, silica gel, MCI, C18, Sephadex LH-20 and preparative HPLC were applied for the isolation and purification of the constituents. The structures were identified by physicochemical properties and spectrum data. The results were as follows:(1)Six compounds were obtained from methanol extracts ofH. trijuga, their structures were identifi
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