The invention provides a crystalline freebase form of biphenyl-2-ylcarbamic acid 1-(2-{[4-(4-carbamoylpiperidin-1-ylmethyl)benzoyl]methylamino}ethyl)piperidin-4-yl ester. The invention also provides pharmaceutical compositions comprising the crystalline freebase or prepared using the crystalline freebase； processes and intermediates for preparing the crystalline freebase； and describes methods of using the crystalline freebase to treat a pulmonary disorder.
