| 主权项 |
1. A compound of formula I: wherein: R1 is (C3-C8)alkyl substituted with two or more groups selected from —NRb1Rc1, —NHNH2, —C(═NRa1)(NRb1Rc1), —NRa1C(═NRa1)(Rd1) and —NRa1C(—NRa1)(NRb1Rc1); R2 is hydrogen or (C1-C3)alkyl; each R3 is independently hydrogen, halo or (C1-C4)alkyl; R4 is hydrogen, halo, (C1-C6)alkyl, (C1-C6)haloalkyl, (C1-C6)alkoxy, (C1-C4)haloalkoxy, aryl or heteroaryl wherein the aryl or heteroaryl is optionally substituted with one or more groups independently selected from halo, (C1-C4)alkyl, (C1-C4)haloalkyl, (C1-C4)alkoxy and (C1-C4)haloalkoxy; R5 is hydrogen, halo, (C1-C6)alkyl, (C1-C6)haloalkyl, (C1-C6)alkoxy, (C1-C4)haloalkoxy, aryl or heteroaryl wherein the aryl or heteroaryl is optionally substituted with one or more groups independently selected from halo, (C1-C4)alkyl, (C1-C4)haloalkyl, (C1-C4)alkoxy and (C1-C4)haloalkoxy; R6 is hydrogen, halo, (C1-C6)alkyl, (C1-C6)haloalkyl, (C1-C6)alkoxy, (C1-C4)haloalkoxy, aryl or heteroaryl wherein the aryl or heteroaryl is optionally substituted with one or more groups independently selected from halo, (C1-C4)alkyl, (C1-C4)haloalkyl, (C1-C4)alkoxy and (C1-C4)haloalkoxy; R7 is hydrogen, halo, (C1-C6)alkyl, (C1-C6)haloalkyl, (C1-C6)alkoxy, (C1-C4)haloalkoxy, aryl or heteroaryl wherein the aryl or heteroaryl is optionally substituted with one or more groups independently selected from halo, (C1-C4)alkyl, (C1-C4)haloalkyl, (C1-C4)alkoxy and (C1-C4)haloalkoxy; R8 is hydrogen, halo, (C1-C6)alkyl, (C1-C6)haloalkyl, (C1-C6)alkoxy, (C1-C4)haloalkoxy, aryl or heteroaryl wherein the aryl or heteroaryl is optionally substituted with one or more groups independently selected from halo, (C1-C4)alkyl, (C1-C4)haloalkyl, (C1-C4)alkoxy and (C1-C4)haloalkoxy; each Ra1 is independently hydrogen or (C1-C4)alkyl; each Rb1 and Rc1 is independently hydrogen or (C1-C4)alkyl; Rd1 is (C1-C3)alkyl and n is 0 or 1; or a salt thereof. |
