Benzamide, N-[5-(2-deoxy-.beta.-D-erythro-pentaofuranosyl)-4,5-dihydro-4-oxo-1,3,5-triazin-2-yl]-4-methyl- Benzamide, N-[5-(2-deoxy-.beta.-D-erythro-pentofuranosyl)-4,5-dihydro-4-oxo-1,3,5-triazin-2-yl]-4-methyl-, hydrate (4:1) NSC166624