摘要 |
3-0-( beta -D-Glucuronopyranosyl)-soyasapogenol B represented by the formula (I): <IMAGE> (I) and salts thereof and process for preparing the same are disclosed. The compound represented by the formula (I) and salts thereof have anticomplementary activity and are useful as therapeutic agents for autoimmune diseases, collagen diseases, and rheumatic diseases. |