p. 689 - 704
(2004)p. 24 - 42
(2017/08/29)p. 837 - 841
(2008/02/10)p. 3933 - 3938
(2007/10/03)N2-(p-anisyldiphenylmethyl)-9-[(4-(p-toluenesulfonyloxy))-3-p-anisyldiphenylmethoxy-methyl-butyl]guanine
9-(4-hydroxy-3-{[(4-methoxyphenyl)diphenylmethoxy]methyl}butyl)-2-{[(4-methoxyphenyl)diphenylmethyl]amino}-6,9-dihydro-1H-purin-6-one
mono-4-methoxytrityl chloride
Penciclovir
2-amino-6-chloro-9-<2-(2,2-dimethyl-1,3-dioxan-5-yl)ethyl>purine