 
- 
                        Phosphonic acid, [1-(3-hydroxy-2-methyl-1-propenylidene)pentyl]-,
diethyl esterCAS:250250-86-3Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, [2-hydroxy-2-(2-propenyl)cyclohexyl]-, diethyl esterCAS:252342-57-7Formula:C13H25O4P 
                     
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                        Phosphonic acid, [(3E)-2-hydroxy-4,8-dimethyl-3,7-nonadienyl]-,
dimethyl esterCAS:256219-79-1Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, (5-methyl-3-oxo-4-hexenyl)-, dipropyl esterCAS:65130-86-1Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, (5-methyl-3-oxo-4-hexenyl)-, bis(1-methylethyl) esterCAS:65130-87-2Formula:C13H25O4P 
                     
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                        Phosphonic acid, (1,8-dimethyl-2-oxo-7-nonenyl)-, dimethyl esterCAS:91269-56-6Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, [4-methyl-1-(2-oxopropyl)-1-pentenyl]-, diethyl ester,
(E)-CAS:193689-06-4Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, [4-methyl-1-(2-oxopropyl)-1-pentenyl]-, diethyl ester,
(Z)-CAS:193689-07-5Formula:C13H25O4P 
                     
- 
                        Phosphoric acid, diethyl 2-nonynyl esterCAS:566949-89-1Formula:C13H25O4P 
                     
- 
                        Phosphonic acid, [2-(1-methyl-3-propylcyclopentyl)-2-oxoethyl]-,
dimethyl esterCAS:62517-75-3Formula:C13H25O4P