上游原料
6-Chloro-9H-purin-2-amine; 6-Chloro-9H-purin-2-ylamine; 2-Amino-6-chloropurineBenzyl (2R)oxiranylmethyl ether; (2R)-2-[(Benzyloxy)methyl]oxiranediethyl methylphosphonatediethyl (3R)-4-(benzyloxy)-3-hydroxybutylphosphonatediethyl (3R)-4-(benzyloxy)-3-(chloromethoxy)butylphosphonatediethyl (3R)-3-[(2-amino-6-chloro-9H-purin-9-yl)methoxy]-4-(benzyloxy)butylphosphonatediethyl (3R)-3-[(2-amino-9H-purin-9-yl)methoxy]-4-hydroxybutylphosphonate