The present invention comprises a new class of compounds useful for the prophylaxis and treatment of protein kinase mediated diseases, including inflammation and related conditions. The compounds have a general Formula I wherein A1, A2, A3, A4, B, R1, R2, R3, R4 and R5 are defined herein. The invention also comprises pharmaceutical compositions including one or more compounds of Formula I, uses of such compounds and compositions for treatment of P38 map kinase mediated diseases including rheumatoid arthritis, psoriasis, chronic obstructive pulmonary disease, pain and other inflammatory disorders, as well as intermediates and processes useful for the preparation of compounds of Formula I.