Patent ID: 8912213

Claim:
A method for treating cancer comprising the step of administering a therapeutically effective amount of a compound of formula or a pharmaceutically acceptable salt thereof, wherein: R T is amino, R a is 3-carboxymethylamino and R d is hydrogen; or R T is amino, R a is 3-amino and R d is 9-methoxy; or R T is amino, R a is 3-nitro and R d is 8-methoxy; or R T is amino, R a is 3-nitro and R d is 7-methoxy; or R T is amino, R a is 3-iodo and R d is hydrogen; or R T is dimethylamino, R a is 3-iodo and R d is 9-methoxy; or R T is dimethylamino, R a is 3-cyano and RQ is hydrogen; or R T is amino, R a is 3-amino and R d is hydrogen; or R T is amino, R a is 3-nitro and R d is 9-methoxy; or R T is amino, R a is 3-iodo and R d is 9-methoxy; to a patient in need of relief from said cancer.