4-(4-methoxybenzoyl)oxolan-2-one

4-(3,4-二甲氧基苯甲酰基)四氢呋喃-2-酮

4-hydroxymethyl-4-veratroyl-dihydro-furan-2-one

2,5-bis(chloromethyl)furan

1-(chloromethoxy)-2,2-dimethylpropane