81523-31-1
5-(hydroxymethyl)bicyclo[2.2.1]heptan-3-one
81523-34-4
(6-oxobicyclo[2.2.1]heptan-2-yl)methyl acetate
81523-41-3
6-exo-(2-furyl)hexahydro-3,5-methano-2H-cyclopentafuran

81523-25-3
3,3a,6,6a-tetrahydro-3,6-methano-2H-cyclopentafuran

81523-42-4
6a-(2-furyl)hexahydro-3,5-methano-2H-cyclopentafuran