p. 308 - 312
(2012)p. 2786 - 2795
(2008)(2011/02/24)
[2-Oxo-dihydro-furan-(3Z)-ylidenemethyl]-urea
α-(1-carbamyliminomethylene)-γ-butyrolactone
sodium salt of (Z)-3-(hydroxymethylene)dihydro-2(3H)-furanone
urea
1-(2-deoxy-3,5-di-O-p-toluoyl-β-D-erythro-pentofuranosyl)-5-(2-hydroxyethyl)-1H,3H-pyrimidine-2,4-dione
1-(2-deoxy-3,5-di-O-p-toluoyl-α-D-erythro-pentofuranosyl)-5-(2-hydroxyethyl)-1H,3H-pyrimidine-2,4-dione
2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbaldehyde
5-(2-Chloroethyl)uracil
5-(β-Amino-ethyl)-uracil