3,3a,6,6a-tetrahydro-2H-cyclopenta[b]furan-2-ol

[(3aR,4S,5R,6aS)-4-(hydroxymethyl)-2-oxo-3,3a,4,5,6,6a-hexahydrocyclopenta[b]furan-5-yl] acetate

(3AR,4S,5R,6AS)-4-[(乙酰氧基)甲基]六氢-5-羟基-2H-环戊并[B]呋喃-2-酮

((3aR,4S,6aS)-5-乙酰氧基-2-氧代六氢-2H-环戊并[b]呋喃-4-基)甲基 乙酸酯