the effect of azathioprine and of ki-7 ( the new purine derivative ) on the immunogenesis and regeneration in mammals was studied comparatively , ki-7 with a lesser toxicity than azathioprine proved to suppress the synthesis of antibodies to the srbc in mice in case of administration of the preparation one day before or on the day of immunization ;
C0034140
purine
C0004482
azathioprine