(-)-(3Ar,6ar)-3a,6a-二氢-2,2-二甲基-4H-环戊并-1,3-二氧代-4-酮

(-)-(3Ar,6ar)-四氢-2,2-二甲基-4H-环戊并-1,3-二氧代-4-酮

L-lyxo-O2,O3-isopropylidene-5,O4-dimethyl-6-deoxy-hexonic acid-lactone

(3S,4R,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydro-3-furanyl 4-methylbenzenesulfonate

ethyl 2-diazo-3-(5-ethenyl-2,2-dimethyl-1,3-dioxolan-4-yl)-3-oxopropanoate