(R)-2-(2-Deoxy-4-C-5H-tetrazol-5-yl-beta-D-erythro-pentofuranosyl)-1,2,4-triazine-3,5(2H,4H)dione 1,2,4-Triazine-3,5(2H,4H)dione, 2-(2-deoxy-4-C-5H-tetrazol-5-yl-beta-D-erythro-pentofuranosyl)-, (R)- 64283-17-6