The present invention provides compounds of Formula (I) useful as inhibitors of PAD4, compositions thereof, and methods of treating PAD4-related disorders,wherein each of Ring A, L, Q, R1, R2, R3, R4, R7, and R8along with other variables are as defined herein.本發明提供適用作PAD4抑制劑的式(I)化合物、其組合物及治療PAD4相關病症之方法,其中環A、L、Q、R1、R2、R3、R4、R7及R8以及其他變數中之每一者係如本文所定義。