1 NCX 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-nitro-1h-indole-3-carboxamide 1.000 2 N5I 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-5-nitro-1h-indole 0.889 3 4MF 1-(2-deoxy-5-O-phosphono-beta-D-erythro-pentofuranosyl)-4-methyl-1h-indole 0.750