The invention relates to novel compounds which are inhibitors of the phosphodiesterase 4 (PDE4) enzyme and muscarinic M3 receptor antagonists, methods of preparing such compounds, compositions containing them and therapeutic use thereof.本發明係有關於新穎化合物,其乃磷酸二酯酶4(PDE4)抑制劑及蕈毒鹼M3受體拮抗劑、此等化合物之製備方法、包含此等化合物之組成物及其治療用途。