对硝基苯乙醇 、
4-{[2-(4-nitrophenyl)ethoxycarbonyl]amino}-N1-[(3-O-benzoyl)-5-O-(4-monomethoxytrityl)-β-D-ribofuranosyl]-1H-imidazo[4,5-c]pyridine 、 alkaline earth salt of/the/ methylsulfuric acid 以73%的产率得到Benzoic acid (2R,3R,4R,5R)-4-{(2-chloro-phenoxy)-[2-(4-nitro-phenyl)-ethoxy]-phosphoryloxy}-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-5-{4-[2-(4-nitro-phenyl)-ethoxycarbonylamino]-imidazo[4,5-c]pyridin-1-yl}-tetrahydro-furan-3-yl ester