Compounds of formula (I), including pharmaceutically acceptable salts thereof, are set forth herein: wherein R1, R2, R3, R4, R5, and R6 are independently hydrogen, C1-C6 alkyl or C1-C6 cycloalkyl Y and Z are independently a C6-C10- aryl group or a 5-10 membered heterocyclic group, wherein each Y and Z group can be optionally substituted with from 0-3 substituents selected from halogen, amino, C1-4alkylamino, C1-4dialkylamino, haloC1-4 alkyl, OH, CN, C1-C6 alkyl or cycloalkyl, C1-C6 alkoxy, and C2-C4 alkynyl L is either a bond or is -NHCO- L and Z together can be absent and m is 1, 2 or 3.本文闡述式(I)化合物,包括其醫藥學上可接受之鹽:其中R1、R2、R3、R4、R5及R6獨立地為氫、C1-C6烷基或C1-C6環烷基;Y及Z獨立地為C6-C10芳基或5員至10員雜環基,其中各Y及Z基團可視情況經0至3個選自以下之取代基取代:鹵素、胺基、C1-4烷胺基、C1-4二烷胺基、鹵基C1-4烷基、OH、CN、C1-C6烷基或環烷基、C1-C6烷氧基及C2-C4炔基;L為一鍵或為-NHCO-;L連同Z可不存在;且m為1、2或3。
