4-methoxy-2-methylthio-7H-pyrrolo[2,3-d]pyrimidine
Thiocarbonic acid O-[(2R,3S,5R)-5-(4-methoxy-2-methylsulfanyl-pyrrolo[2,3-d]pyrimidin-7-yl)-2-trityloxymethyl-tetrahydro-furan-3-yl] ester O-phenyl ester
5-Iodo-2-methylsulfanyl-7-((2R,5S)-5-trityloxymethyl-tetrahydro-furan-2-yl)-3,7-dihydro-pyrrolo[2,3-d]pyrimidin-4-one
trityl chloride
4-Methoxy-2-methylsulfanyl-7-((2R,5S)-5-trityloxymethyl-tetrahydro-furan-2-yl)-7H-pyrrolo[2,3-d]pyrimidine
7-iodo-2',3'-dideoxy-7-deazaguanosine
N-{3-[2-Amino-7-((2R,5S)-5-hydroxymethyl-tetrahydro-furan-2-yl)-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl]-prop-2-ynyl}-2,2,2-trifluoro-acetamide
2-Amino-5-iodo-7-((2R,5S)-5-trityloxymethyl-tetrahydro-furan-2-yl)-3,7-dihydro-pyrrolo[2,3-d]pyrimidin-4-one