The prodrug dipivefrin is converted to this compound in a treatment for open-angle glaucoma no longer available in the US. This compound is added to local anesthetics to both increase their duration and reduce bleeding. (15[1])A methyl group in this compound is replaced with an isopropyl group in the bradycardia medication isoproterenol. This compound is only found in tissues that express (*) PNMT, which methylates its precursor. COMT converts this compound into (-5[1])metanephrine, elevated levels of which are indicative of pheochromocytoma. Although (-5[1])this compound is the namesake of alpha and beta receptors, it is not the principal sympathetic hormone. For 10 points, name this hormone produced in the medulla (10[1])of a pair (10[1])of organs found (10[1])above the kidneys. (10[2])■END■ (10[5]0[1])