The chemical Zardaverine has a designated molecular formula of C12H10F2N2O3 and a molecular weight of 268.220 g/mol. Synonyms may include: Zardaverina [INN-Spanish], Zardaverinum [INN-Latin], 6-(4-(Difluoromethoxy)-3-methoxyphenyl)-3(2H)-pyridazinone, Zardaverina, Zardaverinum, UNII-TQ358GWH6Y (ChemID). Zardaverine has been assigned a MeSH pharmacological action of: Phosphodiesterase Inhibitor.