abstract |
Compounds according to Formula I are provided: and salts thereof, wherein Q 1 , Q 2 , R 3 , R 4 , X, and Y are as defined herein. Methods for preparing compounds of Formula I are also provided, as well as methods of treating cellular proliferative disorders, such as cancer, using compounds of Formula (I).n nQ 2 -X—Y—CHR 3 —CHR 4 -Q 1 (I) |