azathioprine, aza molecule. it is immunosuppressive agent, medication. structural chemical formula on the dark blue background

antirheumatic arthritis atom atomic autoimmune aza azathioprin azathioprine behcet blue carbon carcinogen chemical chemistry chemotherapy dark disease drawing eczema flat formula hydrogen icon illustration immunosuppressant immunosuppressive inflammatory mercaptopurine modifying molecular molecule multiple organ organic oxygen purine rejection rheumatoid sclerosis skeletal structural structure transplant transplantation vector white