The invention provides compounds of formula (I) wherein u, d, v, m, n, R
1
, W, X, Y, and Z have any values defined herein, as well as salts thereof. The compounds have activity as anti-proliferative agents.
The invention provides compounds of formula (I) wherein u, d, v, m, n, R1, W, X, Y, and Z have any values defined herein, as well as salts thereof. The compounds have activity as anti-proliferative agents.