(2008/12/04)
4-Oxo-pentanoic acid 3-(acridin-9-ylamino)-5-(4-oxo-pentanoylamino)-benzyl ester
4-Oxo-pentanoic acid (2R,3R,4S,5R)-4-[bis-(4-methoxy-phenyl)-phenyl-methoxy]-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-tetrahydro-furan-2-ylmethyl ester
methyl 2,3-di-O-benzoyl-1-deoxy-4-O-levulinoyl-1-(phenylsulfanyl)-β-D-glucopyranosyluronate
(1R,3R,4R,7S)-1-(4,4'-dimethoxytrityl)oxymethyl-7-hydroxy-7-(2-levulinoyloxyethyl)-3-(thymin-1-yl)-2,5-dioxabicyclo[2.2.1]heptane
1-[3,5-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-diyl)-2-O-(2,3-dilevulinoyloxypropyl)-β-D-arabinofuranosyl]-3-(2,4-dinitrophenylsulfenyl)uracil