1-(6-amino-9H-purin-9-yl)-1,3-dideoxy-3-(L-2-tert-butoxycarbonylamino-4-benzyloxycarbonylbutyrylamino)-β-D-ribofuranuronic acid 、 1-(6-Amino-9H-purin-9-yl)-1,3-dideoxy-3-[N-tert-butoxycarbonyl-O-(2,6-dichlorobenzyl)-L-tyrosylamino]-β-D-ribofuranuronic acid 生成
1-(6-amino-9H-purin-9-yl)-1,3-dideoxy-3-[N-(L-arginyl)-O-methyl-L-tyrosylamino]-β-D-ribofuranuronic acid 、 1-(6-Amino-9H-purin-9-yl)-1,3-dideoxy-3-[O-(2,6-dichlorobenzyl)-L-tyrosylamino]-β-D-ribofuranuronic acid