| abstract |
PROBLEM TO BE SOLVED: To use a triterpene glycoside saponin-inducing adjuvant, a method for synthesizing the compound or an intermediate thereof, a pharmaceutical composition containing the compound, and the above compound or composition for treatment of an infectious disease and immunization for an infectious disease. Provide a way to do it. SOLUTION: For example, a compound having the following structural formula is shown. [Selection diagram] Fig. 1 |