7-[3,5-Bis-O-[(-2,4-Dichlorophenyl)methyl]-2-C-methyl-b-D-ribofuranosyl]-4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine

7-[3,5-Bis-O-[(2,4-dichlorophenyl)methyl]-2-C-methyl-beta-D-ribofuranosyl]-4-chloro-5-iodo-7H-pyrrolo[2,3-d]pyrimidine