.beta.-D-erythro-Pentofuranuronic acid, 1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)- 3544-99-8 D-erythro-Pentofuranuronic acid, 1,2-dideoxy-1-(3,4-dihydro-5-methyl-2,4-dioxo-1(2H)-pyrimidinyl)-, .beta.- NSC315824 Thymidine-5'-carboxylic acid