Anatomical Therapeutic Chemical • L01BB • Purine analogues

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

L01 Antineoplastic agents

L01A Alkylating agents

L01B Antimetabolites

L01BA Folic acid analogues

L01BB Purine analogues

L01BB02 mercaptopurine

L01BB03 thioguanine

L01BB04 cladribine

L01BB05 fludarabine

L01BB06 clofarabine

L01BB07 nelarabine

L01BC Pyrimidine analogues

L01C Plant alkaloids and other natural products

L01D Cytotoxic antibiotics and related substances

L01E Protein kinase inhibitors

L01F Monoclonal antibodies and antibody drug conjugates

L01X Other antineoplastic agents

L02 Endocrine therapy

L03 Immunostimulants

L04 Immunosuppressants

M Musculo-skeletal system

N Nervous system

P Antiparasitic products, insecticides and repellents

R Respiratory system

S Sensory organs

V Various