24719-82-2 L-Threonine, N-(((9-beta-D-ribofuranosyl-9H-purin-6-yl)amino)carbonyl)- N(6)-(N-Threonylcarbonyl)adenosine N-((9-beta-D-Ribofuranosylpurin-6-yl)-carbamoyl)threonine N-(Purin-6-ylcarbamoyl)-L-threonine riboside t(6)a