摘要 |
<p>There are described a new pharmaceutically active derivative of ursolic acid, 3 beta -(3-carboxypropionyloxy)ursa-9(11),12-dien-28-oic acid, which possesses activity as an anti-ulcer and anti-viral agent, pharmaceutically acceptable, non-toxic salts thereof, a method of preparing the same and compositions containing the same.</p> |