The invention relates to a compound of formula (I) wherein R1 to R4 are defined as in the description and in the claims. The compound of formula (I) is a CB2 agonist and can be used as an active ingredient in a medicament.
这项发明涉及一种化合物,其
化学式为(I),其中R1至R4的定义如描述和索赔中所述。化合物的
化学式(I)是一种CB2激动剂,可用作药物的活性成分。