label: 2-((5-(2-amino-6-methoxypurin-9-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-ylmethoxy)phenoxyphosphorylamino)propionic acid isopropyl ester
label_lc: 2-((5-(2-amino-6-methoxypurin-9-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-ylmethoxy)phenoxyphosphorylamino)propionic acid isopropyl ester