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(1990)2,4-dihydroxy-5-methylpyrimidine
(2R,3S)-benzyloxy-2-benzyloxymethyl-6-oxabicyclo<3.1.0>hexane
1-(3',5'-di-O-benzyl-2'-deoxy-6'-hydroxy-6'-carba-β-D-ribofuranosyl)thymine
1-((1S,2R,3S,4S)-4-Benzyloxy-3-benzyloxymethyl-2-hydroxy-cyclopentyl)-5-methyl-1H-pyrimidine-2,4-dione
1-((1S,4S)-4-Benzyloxy-3-benzyloxymethyl-cyclopent-2-enyl)-5-methyl-1H-pyrimidine-2,4-dione
1-((3R,4S)-4-Benzyloxy-3-benzyloxymethyl-cyclopent-1-enyl)-5-methyl-1H-pyrimidine-2,4-dione