abstract |
The present invention is directed to bendamustine esters and bendamustine amides and their use for the treatment of cancer: (I) wherein R1 is C6-C24alkyl or polyethylene glycol; and (II) wherein R2 is C1-C24alkylene; and R3 is-COOC1-3alkyl; or R2-R3 is C1-C24alkyl; or a pharmaceutically acceptable salt form thereof. |