kd values were 1.3 x 10 ( 4 ) and 2.3 x 10 ( 4 ) m-1 for doxorubicin and daunorubicin , respectively , and ranged from 3.8 x 10 ( 3 ) to 6.1 x 10 ( 3 ) m-1 for the 4-demethoxy analogues .
C0013089
doxorubicin
C0011015
daunorubicin