Compounds having the following formula (I), or a stereoisomer or pharmaceutically-acceptable salt thereof, where all substituents are as defined herein, are useful in the modulation of IL-12, IL-23 and/or IFNα, by acting on Tyk-2 to cause signal transduction inhibition.
具有下式(I)的化合物或其立体异构体或药学上可接受的盐,其中所有取代基均如本文所定义,通过作用于 Tyk-2,导致
信号转导抑制,可用于调节 IL-12、I
L-23 和/或 IFNα。