#$%^&*AU2014280951A120150205.pdf#####C:\NRPonbUlCC\KXG\J3"2679_1 DOC.IM5/201 2 ABSTRACT The invention provides a method for modulating the activity of the hedgehog signaling pathway. In particular, the invention provides a method for inhibiting aberrant growth states resulting from phenotypes such as Ptc loss-of-function, hedgehog gain-of-function, smoothened gain-of-function or Gli gain-of-function, comprising contacting a cell with a sufficient amount of a compound of Formula 1. R1 R5 R2 Ra R3 RG R7 H N Re 0 Y2 R9