It refers to a pharmacological component, including: (1) a pharmacological component, including dinitrocarboxylate and dihydrate, with a weight percentage of 0.05-1.5%; and (2) a propellant component, including 1, 1-difluoroethane (hfa-152a), calculated from 97.5% to 99.95% of the total weight of the pharmacological components; and triglyceride, which also includes a long-term muscle antagonism, such as glycerin bromide. It also consists of an Arctic precursor, such as ethanolSE REFIERE A UNA COMPOSICION FARMACEUTICA QUE COMPRENDE: i) UN COMPONENTE DE FARMACO QUE COMPRENDE BECLOMETASONA DIPROPIONATO Y FORMOTEROL FUMARATO DIHIDRATO, EN UNA CANTIDAD DE 0.05 A 1.5% EN PESO DEL PESO TOTAL DE LA COMPOSICION; ii) UN COMPONENTE PROPULSOR QUE COMPRENDE 1,1-DIFLUOROETANO (HFA-152a) EN UNA CANTIDAD DE 97.5 A 99.95% EN PESO DEL PESO TOTAL DE LA COMPOSICION FARMACEUTICA; Y iii) GLICEROL; DONDE DICHO COMPONENTE DE FARMACO COMPRENDE ADICIONALMENTE UN ANTAGONISTA MUSCARINICO DE ACCION PROLONGADA COMO EL BROMURO DE GLICOPIRRONIO. DICHA COMPOSICION COMPRENDE ADEMAS UN EXCIPIENTE POLAR COMO EL ETANOL