The main content of this product is  Doxofylline and the chemical name is 1,3-dimethyl-7- (1,3-dioxocyclopentyl-2-yl)methyl-3,7-dihydro-1H-purine-2,6-dione. The chemical structure formula is as follows: C11H14N4O4 and the molecular weight is 266.256.

Bronchial asthma, asthmatic chronic bronchitis and other bronchial spasm due to breathing difficulties.

Intravenous drip.

1.Patients who are allergic to theophylline or xanthine derivatives.

2.Patients with acute myocardial infarction.

3.Pregnant or lactating women.