| 摘要 |
PROBLEM TO BE SOLVED: To provide a new compound useful as a proteasome inhibitor which is a multicatalytic protease, and a pharmaceutical composition containing the compound.SOLUTION: The present invention relates to a compound of formula (I) or a pharmaceutically acceptable salt or boronic anhydride thereof, and a pharmaceutical composition containing them. (A is a halogen atom-substituted phenyl group; and Zand Zare each independently hydroxy, alkoxy, aryloxy or aralkoxy, where Zand Zmay be both a moiety derived from a boronic acid complexing agent.) |
