p. 42 - 49
(2007/10/02)C68H72N4O18
C49H58N4O18
trityl chloride
cycloxexanone dimethyl ketal
2',3'-dideoxy-2',3'-
C42H48N4O18S
3-N-(benzyloxycarbonyl)-2',3'-dideoxy-2',3'-epiminoribostamycin
3,2'-bis