Allopurinol Imprint: RG10 NDC code: 633040539 Allopurinol Imprint: RG11 NDC code: 633040540 Allopurinol Imprint: ZYLOPRIM 100 NDC code: 165710883 No Image Available Allopurinol Imprint: ZYLOPRIM 200 NDC code: 165710884 Allopurinol Imprint: ZYLOPRIM 300 NDC code: 165710885 1 2 3