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(2007/10/02)(4-Methoxy-phenyl)-phosphoramidic acid (2R,3R,4R,5R)-5-(6-benzoylamino-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-(tetrahydro-furan-2-yloxy)-tetrahydro-furan-3-yl ester 2-chloro-phenyl ester
5'-O-(4,4'-dimethoxytrityl)-2'-O-tetrahydrofuran-2-yl-N6-benzoyl-D-adenosine
o-chlorophenyl phosphoro-p-anisidochloridate