p. 696 - 700
(2007/10/03)(2008/06/13)
Isobutyric acid 3-(tert-butyl-diphenyl-silanyloxy)-2-(2-isobutyrylamino-6-oxo-1,6-dihydro-purin-9-ylmethoxy)-propyl ester
2-amino-9-[2-(tert-butyl-diphenyl-silanyloxy)-1-hydroxymethyl-ethoxymethyl]-1,9-dihydro-purin-6-one
ganciclovir
propionic acid
propionic acid 2-(2-amino-6-oxo-1,6-dihydro-purin-9-ylmethoxy)-3-(tert-butyl-diphenyl-silanyloxy)-propyl ester