The invention relates to inhibitors ofmutant isocitrate dehydrogenase (mt-I DH) proteins with neomorphic activity useful in the treatment of cell-proli feration disorders and cancers, having the Formula: where A, U, W1, W2, W3, R1-R6, and R9 are described herein.本發明係關於具有新生形活性的突變型異檸檬酸去氫酶(mt-IDH)蛋白之抑制劑,其可用於治療細胞增殖病症及癌症,其具有下式:其中A、U、W1、W2、W3、R1-R6及R9如本文所述。