上游原料
cyclopentanamine(3aR,4S,6R,6aR)-2,2-dimethyl-6-(6-oxo-1,6-dihydro-9H-purin-9-yl)tetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylic acid(3aR,4S,6R,6aR)-6-(6-chloro-9H-purin-9-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carbonyl chloride(3aR,4S,6R,6aR)-6-(6-chloro-9H-purin-9-yl)-N-ethyl-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carboxamide(3aR,4S,6R,6aR)-6-[6-(cyclopentylamino)-9H-purin-9-yl]-N-ethyl-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole-4-carboxamidecyclopentanamine(3aR,4S,6R,6aR)-2,2-dimethyl-6-(6-oxo-1,6-dihydro-9H-purin-9-yl)tetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylic acidethyl (3aR,4S,6R,6aR)-2,2-dimethyl-6-(6-oxo-1,6-dihydro-9H-purin-9-yl)tetrahydrofuro[3,4-d][1,3]dioxole-4-carboxylateethyl (2S,3R,4R,5R)-3,4-bis(acetyloxy)-5-(6-oxo-1,6-dihydro-9H-purin-9-yl)tetrahydro-2-furancarboxylateethyl (2S,3R,4R,5R)-3,4-bis(acetyloxy)-5-(6-chloro-9H-purin-9-yl)tetrahydro-2-furancarboxylateethyl (2S,3R,4R,5R)-3,4-bis(acetyloxy)-5-[6-(cyclopentylamino)-9H-purin-9-yl]tetrahydro-2-furancarboxylate
