1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]imidazole-4,5-dicarboxamide

硒唑呋呤

6-chloro-2-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-5-hydroxypyridazin-3-one

1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-methoxy-2-methylpyridin-4-one

1-[3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3-hydroxy-2-methylpyridin-4-one