p. 2753 - 2756
(2007/10/02)C73H66ClN4O15P
Phosphoric acid (2R,3S,5R)-5-(6-benzoylamino-purin-9-yl)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-tetrahydro-furan-3-yl ester 2-chloro-4-trityl-phenyl ester 2-cyano-ethyl ester
Phosphoric acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-furan-3-yl ester 2-chloro-4-trityl-phenyl ester 2-cyano-ethyl ester
C52H48ClN4O13P
Phosphoric acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2-chloro-4-trityl-phenyl ester 2-cyano-ethyl ester