pentacyanium bis

pentacyanium bis(methyl sulfate)

[‚pen·tə·sī′an·ē·əm ¦bis ¦meth·əl ′səl‚fāt]
(pharmacology)
C29H45N3O9S2 A water-soluble, crystalline compound obtained from ethanol solution, and melting at 173-175°C; used in medicine in the dichloride form as an antihypertensive agent.