(2R,3R,4S,5R)-2-(3-amino-5-methyl-1,4,5,6,8-pentaazaacenaphthylen-1(5H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol-13C5; 1,5-Dihydro-5-methyl-1-?-D-ribofuranosyl-1,4,5,6,8-pentaazaacenaphthylen-3-amine-13C5; 6-Amino-4-methyl-8-(?-D-ribofuranosyl)-4H,8H-pyrrolo[4,3,2-de]pyrimido[4,5-c]pyridazine-13C5; API 2-13C5; NSC 154020-13C5; TCN-13C5;
