67-56-1 
 
488-10-8 
 
64140-92-7 
 
3-Methyl-2-((E)-3-oxo-pent-1-enyl)-cyclopent-2-enone 
 
2-(2-Hydroxy-3-oxo-pentyl)-3-methyl-cyclopent-2-enone 
 
2-(1-Hydroxy-3-oxo-pentyl)-3-methyl-cyclopent-2-enone 
[1]Bioscience,BiotechnologyandBiochemistry,1993,vol.57,p.220-226
67-56-1 
 
488-10-8 
 
(3aR,4S,5S,6aS)-4-Ethyl-5-methoxy-3a-methyl-hexahydro-pentalen-1-one 
 
3-((1S,2R,3R)-2-Ethyl-3-methoxy-1-methyl-cyclopentyl)-propionicacidmethylester 
 
(1'R*,2'R*)-2-(2'-ethylcyclopropyl)-3-methyl-2-cyclopenten-1-one 
 
(1'S*,2'R*)-2-(2'-ethylcyclopropyl)-3-methyl-2-cyclopenten-1-one 
[1]Bioscience,BiotechnologyandBiochemistry,1993,vol.57,p.220-226
64-17-5 
 
488-10-8 
 
3726-51-0 
 
3-Methyl-2-((E)-2-oxo-pent-3-enyl)-cyclopent-2-enone 
 
3-Methyl-2-((E)-3-oxo-pent-1-enyl)-cyclopent-2-enone 
 
2-(1-Hydroxy-3-oxo-pentyl)-3-methyl-cyclopent-2-enone 
[1]Bioscience,BiotechnologyandBiochemistry,1993,vol.57,p.220-226
64-17-5 
 
488-10-8 
 
(3aR,4S,5S,6aS)-5-Ethoxy-4-ethyl-3a-methyl-hexahydro-pentalen-1-one 
 
3-((1S,2R,3R)-3-Ethoxy-2-ethyl-1-methyl-cyclopentyl)-propionicacidethylester 
 
(1'R*,2'R*)-2-(2'-ethylcyclopropyl)-3-methyl-2-cyclopenten-1-one 
 
(1'S*,2'R*)-2-(2'-ethylcyclopropyl)-3-methyl-2-cyclopenten-1-one 
[1]Bioscience,BiotechnologyandBiochemistry,1993,vol.57,p.220-226
[2]Bioscience,BiotechnologyandBiochemistry,1993,vol.57,p.220-226