The present invention relates to a compound of formula (I) wherein R4 is Cl-6alkyl, halogen or cyano; R5 is halogen; R2 is 4,5,6,7-tetrahydropyrazolo[3,4-c]pyridinyl which is unsubstituted or substituted by Cl-6alkyl or haloCl-6alkyl; 4,5,6,7-tetrahydropyrazolo[4,3-c]pyridinyl which is unsubstituted or substituted one or two times by Cl-6alkyl; or 5,6-dihydro-4H-pyrrolo[3,4-c]pyrazolyl; R3 is Cl-6alkyl; L is azetidinyl or piperidinyl; or a pharmaceutically acceptable salt thereof, for use as a TLR7, TLR8 and/or TLR9 antagonist for the treatment or prophylaxis of autoimmune diseases, such as e.g. systemic lupus erythematosus or lupus nephritis.
本发明涉及一种式(I)的化合物,其中R4是Cl-6烷基、卤素或
氰基;R5是卤素;R2是4,5,6,7-四氢
吡唑并[3,4-c]
吡啶基,该基未取代或被Cl-6烷基或卤Cl-6烷基取代;4,5,6,7-四氢
吡唑并[4,3-c]
吡啶基,该基未取代或被Cl-6烷基取代一次或两次;或5,6-二氢-4H-
吡咯并[3,4-c]
吡唑基;R3是Cl-6烷基;L是
氮杂环丙烷基或
哌啶基;或其药用盐,用作TLR7、TLR8和/或TLR9拮抗剂,用于治疗或预防自身免疫疾病,例如系统性红斑狼疮或狼疮性肾炎。