吡唑霉素

2,2-dimethyl-6-(trityloxymethyl)tetrahydrofuro[3,4-d][1,3]dioxol-4-ol

methyl 2-diazo-4-(2,3-O-isopropylidene-5-O-trityl-β-D-ribofuranosyl)-3-oxobutanoate

methyl 4-hydroxy-3-(2',3'-O-isopropylidene-5'-O-trityl-β-D-ribofuranosyl)pyrazole-5-carboxylate

Methyl 4,6-O-(1,1,3,3-tetraisopropyldisiloxane-1,3-dily)-α-D-glucopyranoside

2-[O2,O3-isopropylidene-O5-(4-nitro-benzoyl)-α-D-ribofuranosyl]-3-oxo-pentanedioic acid diethyl ester

ethyl 4-(2',3'-O-isopropylidene-5'-O-trityl-D-ribofuranosyl)-3-oxobutanoate

(2R,3R,4S,5S)-2-(acetoxymethyl)-5-(4-amino-5-cyano-1H-pyrazol-3-yl)tetrahydrofuran-3,4-diyl diacetate

3(5)-cyano-4-hydroxy-5(3)-(2,3,5-tri-O-acetyl-β-D-ribofuranosyl)pyrazole

methyl 4-hydroxy-3-(2',3'-O-isopropylidene-5'-O-trityl-α-D-ribofuranosyl)pyrazole-5-carboxylate

4-hydroxy-5-(O2,O3-isopropylidene-α-D-ribofuranosyl)-1(2)H-pyrazole-3-carboxylic acid ethyl ester

5-[O2,O3-isopropylidene-O5-(4-nitro-benzoyl)-α-D-ribofuranosyl]-4-oxo-4,5-dihydro-1H-pyrazole-3,5-dicarboxylic acid diethyl ester

5-cyano-3-((2S,3S,4R,5R)-3,4-diacetoxy-5-(acetoxymethyl)tetrahydrofuran-2-yl)-1H-pyrazole-4-diazonium

2',3',5'-tri-O-acetylpyrazofurin

2',3'-O-isopropylidenepyrazofurin

methyl 4-((3aS,6R,6aR)-2,2-dimethyl-6-((trityloxy)methyl)tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-3-oxobutanoate

4-hydroxy-3-(2',3'-O-isopropylidene-5'-O-trityl-β-D-ribofuranosyl)pyrazole-5-carboxamide

ethyl 4-hydroxy-3-(2',3'-O-isopropylidene-5'-O-trityl-β-D-ribofuranosyl)pyrazole-5-carboxylate

methyl 2-diazo-4-(2,3-O-isopropylidene-5-O-trityl-α-D-ribofuranosyl)-3-oxobutanoate