A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

C01 Cardiac therapy

C02 Antihypertensives

C02A Antiadrenergic agents, centrally acting

C02AA Rauwolfia alkaloids

C02AB Methyldopa

C02AC Imidazoline receptor agonists

C02AC01 clonidinum

C02AC05 moxonidinum

C02AC06 rilmenidinum

C02B Antiadrenergic agents, ganglion-blocking

C02C Antiadrenergic agents, peripherally acting

C02D Arteriolar smooth muscle, agents acting on

C02K Other antihypertensives

C02L Antihypertensives and diuretics in combination

C02N Combinations of antihypertensives in atc-gr. c02

C03 Diuretics

C04 Peripheral vasodilators

C05 Vasoprotectives

C07 Beta blocking agents

C08 Calcium channel blockers

C09 Agents acting on the renin-angiotensin system

C10 Lipid modifying agents

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excl. sex hormones and insulins

J Antiinfectives for systemic use

L Antineoplastic and immunomodulating agents

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various