英文名称
3-[2-(4-aminophenyl)ethyl]-9-[3-[2-(4-aminophenyl)ethyl]-7-[2-[ethyl(2-hydroxyethyl)amino]ethyl]-2,6-dioxo-1-propyl-8-(pyridin-3-ylmethyl)-8H-purin-9-yl]-7-[2-[ethyl(2-hydroxyethyl)amino]ethyl]-8-[(4-fluorophenyl)methyl]-1-propyl-8H-purine-2,6-dione