L-鼠李糖

6-methyloxane-2,3,4,5-tetrol

1,3-bis-(trichloroacetyl)-2-(5-methylfuran-2-yl)-4-imidazoline

1,3-二甲基-2-(2-呋喃基)咪唑烷

5-(溴甲基)呋喃-2-甲醛