The invention provides compounds of formula (I):
wherein E, A, B′, R
6
, R
7
, R
8
, and R
9
are defined in the specification which compounds exhibit anticancer activity and are useful for treating cancer.
The invention provides compounds of formula (I):
wherein E, A, B′, R
6
, R
7
, R
8
, and R
9
are defined in the specification which compounds exhibit anticancer activity and are useful for treating cancer.