日本七叶树化学成分的研究Ⅰ.七叶皂苷Ⅰa和Ⅰb的分离和鉴定
Studies on the Chemical Constituents of Japanese Buckeye Seed ( Aesculus turbinata ) ⅰ . Isolation and Identification of Escins ⅰ a and ⅰ b