A new alkaloid named methyl 2-(3,4-dihydro-2H-pyrrol-5-yl)acetate (1), together with 24 known compounds, was isolated from the acetone extract of the fruiting bodies of Ramaria stricta. Their structures were elucidated on HR-ESI-MS and extensive 1D and 2D NMR spectroscopy. The nematocidal assay showed that three compounds, benzoic acid, 3-hydroxy-2-methylbenzaldehyde, and 4-(hydroxy)benzylbenzoic acid, exhibited a certain activity against Panagrellus redivivus.

中文翻译：

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紫菀子实体的化学成分和杀线虫活性

一种名为 2-(3,4-dihydro-2H-pyrrol-5-yl) 乙酸甲酯 ( 1 )的新生物碱与 24 种已知化合物一起从 Ramaria 子实体的丙酮提取物中分离出来。它们的结构在 HR-ESI-MS 和广泛的 1D 和 2D NMR 光谱上阐明。杀线虫试验表明苯甲酸、3-羟基-2-甲基苯甲醛和4-(羟基)苄基苯甲酸三种化合物对Panagrellus redivivus具有一定活性。