<unk>  (INN), also known as noradrenalinoethyltheophylline, is a chemical linkage of norepinephrine (noradrenaline) and theophylline used as a cardiac stimulant.
It is sometimes combined with cafedrine.
Theodrenaline
Iotrolan
Hexoprenaline
Orciprenaline
Isoproterenol 
Metaproterenol
Bevantolol
Imolamine