2',3'-O-Bis(4,4'-dimethoxytrityl)uridine 5'-(4-chlorophenyl)phosphate 5'-Uridylic acid, 2',3'-bis-O-(bis(4-methoxyphenyl)phenylmethyl)-, (2aR-(2aalpha,4beta,4abeta,6beta,9alpha(alphar*,betas*),11alpha,12alpha,12aalpha,12balpha))- 93134-69-1 Dtucpp