Six new kinds of synthetic lignans were determined by GC/MS in the paper. The mechamism of mass spectral fragmentation were discussed by systematic comparison between their EIMS.

• 本文对合成的6种新型木脂素进行质谱测定，通过系统地比较它们的电子轰击质谱（EIMS），初步归纳了这类化合物的质谱裂解规律。