| CPC C07D 401/14 (2013.01) [C07D 401/04 (2013.01); C07D 405/14 (2013.01); C07D 417/14 (2013.01)] | 5 Claims |
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1. A compound of formula I
![]() or a pharmaceutically acceptable salt or hydrate thereof, wherein said compound is a compound of formula Ia, formula Ib or formula Ic, wherein R2 is selected from hydrogen, C1-C8 alkyl, halogen and C1-C8 alkoxy:
![]() wherein said Ra is selected from the group consisting of:
![]() ![]() wherein said R1 is selected from hydrogen, halogen, C1-C2alkyl, C1-C2haloalkyl, C1-C2alkoxy, C1-C2hydroxyalkyl and C1-C2alkoxyalkyl.
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