7-methylguanosine iodide

2-amino-9-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-7-methyl-3H-purin-9-ium-6-one

5-乙炔基-1-(beta-D-呋喃核糖基)-咪唑并-4-甲腈

5-iodo-1-[2',3',5'-O-tris(tert-butyldimethylsilyl)-β-D-ribofuranosyl]imidazole-4-carbonitrile

5-amino-1-[2',3',5'-O-tris(tert-butyldimethylsilyl)-β-D-ribofuranosyl]imidazole-4-carbonitrile