Anatomical Therapeutic Chemical • P02CB • Piperazine and derivatives

A Alimentary tract and metabolism

B Blood and blood forming organs

C Cardiovascular system

D Dermatologicals

G Genito urinary system and sex hormones

H Systemic hormonal preparations, excluding 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

P01 Antiprotozoals

P02 Anthelmintics

P02B Antitrematodals

P02C Antinematodal agents

P02CA Benzimidazole derivatives

P02CB Piperazine and derivatives

P02CC Tetrahydropyrimidine derivatives

P02CE Imidazothiazole derivatives

P02CF Avermectines

P02CX Other antinematodals

P02D Anticestodals

P03 Ectoparasiticides, incl. scabicides, insecticides and repellents

R Respiratory system

S Sensory organs

V Various