(3S,3aR,6aS)-hexahydrofuro[2,3-b]furan-3-yl ((R)-1-(naphthalen-1-yl)ethyl)carbamate

(3S,3AR,6AS)-hexahydrofuro[2,3-b]furan-3-yl benzoate

3-亚甲基六氢呋喃并[2,3-b]呋喃

(2aRS,3aSR)-hexahydrofuro[2,3-b]furan-3-one

(2S,3S)-3-(2-propenyl)-1,2,4-butanetriol