β-D-ribofuranosyl-1-carboximidic acid methyl ester

methyl 2,5-anhydroallonoselenoate

ethyl 5-amino-2-(β-D-ribofuranosyl)selenazole-4-carboxylate

1-乙酰基-2,3,5-三苯甲酰氧基-1-beta-D-呋喃核糖