<prompt> All of the following are centrally acting antihypeensive drugs except:-Alpha methyl dopaClonidineGuanabenzTrimethoprim  <response>: Stimulation of a2 receptors in CNS leads to decrease in sympathetic outflow Therefore, a2 agonists can decrease the sympathetic activity and are useful for the treatment of hypeension. These include: Clonidine a-methyl dopa Guanafacine Guanabenz 