3-(1,3-二氧戊环)己酸乙酯

乙基5-氧代辛酸酯

6-N-丙基尿嘧啶

(5-acetyloxy-2-oxo-4-propylchromen-7-yl) acetate

6-溴-3-丁酰-2H-苯并吡喃-2-酮