英文名称
2-(4-nitrophenyl)ethyl 5-{{{{2-{2-{2-{{{{9-[2'-deoxy-5'-O-(4,4'-dimethoxytrityl)-β-D-ribofuranosyl]-6-[2-(4-nitrophenyl)ethoxy]-9H-purin-2-yl}{2-[(2,4-dinitrophenyl)amino]ethyl}amino}carbonyl}amino}ethoxy}ethoxy}ethyl}amino}carbonyl}amino}-2-{6-[2-(4-nitrophenyl)ethoxy]-3-oxo-3H-xanthen-9-yl}benzoate