HFA-Suspension formulation of an anhydrate

摘要

The invention relates to propellant formulations containing suspensions of a crystalline anhydrate of (1alpha,2beta,4beta,5alpha,7beta)-7-[(hydroxydi-2-thienylacetyl)oxy]-9,9-dimethyl-3-oxa-9-azoniatricyclo[3.3.1.0<2,4>]nonane bromide.