2-氧代环戊羧酸乙酯

甲基7-(5-氧代-1-环戊烯-1-基)庚酸酯

3-isopropyl-6-methylsulfanyl-1H-[1,3,5]triazine-2,4-dione

7-(2-羟基环戊基)庚酸

methyl 7-(2-acetoxycyclopentyl)heptanoate