phosphoric acid mono-((3a
S)-3
c-hydroxy-6,8-dioxo-(3a
r,9a
c)-2,3,3a,7,8,9a-hexahydro-6
H-furo[2',3':4,5]oxazolo[3,2-
c]pyrimidin-2
t-ylmethyl) ester 、
5'-O-monomethoxytrityl-6,2'-O-cyclouridine 生成
6,2'-Anhydro-6-oxy-1β-D-arabinofuranosyluracilphosphoryl-(3',5')-6,2'-anhydro-6oxy-1β-D-arabinofuranosyluracil