[EN] PYRROLOPYRIDAZINE DERIVATIVES WHICH INHIBIT PDE IV AND TNF ALFA<br/>[FR] DERIVÉS DE PYRROLOPYRIDAZINE QUI INHIBENT LA PDE IV ET LE TNF ALPHA
申请人:ASTELLAS PHARMA INC
公开号:WO2006004191A1
公开(公告)日:2006-01-12
The invention relates to compound of the formula (I) or its salt, in which R1, R2, R3 and R4 are as defined in the description, their use of as medicament, the process for their preparation and use for the treatment of PDE-IV or TNF-α mediated diseases.