#$%^&*AU2011226773C120120726.pdf#####ABSTRACT The invention relates to compounds of formula I Ar1 W wR 4 -(R3)m N X N'-R20 Ar 2 (I) and pharmaceutically acceptable derivatives thereof, compositions comprising an effective amount of a compound of formula I or a pharmaceutically acceptable derivative thereof, and methods for treating or preventing a condition such as pain, UI, an ulcer, IBD and 13S, comprising administering to an animal in need thereof an effective amount of a compound of formula I or a pharmaceutically acceptable derivative thereof.