Provided are compounds of formula (I)
1
wherein A, Q, W, X, Y, Z, R
1
to R
4
, m and n are as defined herein. Compounds of the invention bind to &agr;
4
integrin receptors and thereby inhibit binding of ligands for &agr;
4
integrins which is useful for prophylactic and/or therapeutic treatment of diseases and conditions associated with &agr;
4
integrins or their ligands.
The present invention relates generally to nitro-1,2-dihydro-3H-benzo[e]indoles and related analogues, to their preparation, and to their use as hypoxia-selective drugs and radiosensitizers for cancer therapy, both alone or in combination with radiation and/or other anticancer drugs.