1-(furan-2-carbonylamino)cyclohexane-1-carboxylic acid

2-(furan-2-yl)-1H-indole

(2-甲氧基苯基)呋喃-2-羧酸酯

2-(2-呋喃基)-4,5-二氢-1H-咪唑

cyclohexyl furan-2-carboxylate