5-(4-氰基苯基)-2-糠酸

5-苯基呋喃-2-羧酸甲酯

methyl 5-methoxyfuran-2-carboxylate

(5-溴-2-呋喃基)(1-哌啶基)甲酮

5-溴-N-苯基-2-糠酰胺