The only non catecholamine sympathomimetic drug out of the following is: (A) Adrenaline, (B) Ephedrine, (C) Dopamine, (D) Isoprenaline
Answer is B. Ref-Goodman and Gillman 11/e p239 Catecholamine are the drugs having dihydrobenzene nucleus in it's structure.adrenaline, isoprenaline and dopamine contain this structure