The hydro-alcoholic extract of Glycine max (soybean), upon chemical constituents investigation lead to the isolation compound (1) named as soyasaponin A1 ester apart from other known compounds soyasaponins M1, M2, M3, soyasaponin A1, A2, and robinioside. All compounds were characterized by spectroscopic techniques including 2D NMR spectroscopy.

中文翻译：

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来自大豆（大豆）的大豆皂苷 A1 酯

大豆的水醇提取物，经化学成分研究，得到分离化合物( 1 )，与其他已知化合物大豆皂苷M1、M2、M3、大豆皂苷A1、A2和刺槐苷分开，命名为大豆皂苷A1酯。所有化合物均通过光谱技术（包括 2D NMR 光谱）进行表征。