HIGHEST                             INTERMEDIATE POTENTIAL                LEAST POTENTIAL

cisplatin                                  doxorubicin                                                   bleomycin         
dacarbazine                             CCNU                                                          5-fluorouracil (5-FU)
nitrogen mustard                     procarbazine                                                 etoposide (VP-16)
dactinomycin                          mitomycin-C                                                methotrexate
Cytoxan                                  ifosfamide                                                     chlorambucil
streptozocin                           carboplatin                                                    vincristine/vinblastine
BCNU                                                                                                          mercaptopurine
                                                                                                                     melphalan 
                                                                                                                     Taxol
                                                                                                                     cytarabine (ara-C)
                                                                                                                     hydroxyurea 
                                                                                                                     mitoxantrone