(Z)-1(S)-{4-[4-methyl-(1-methylethyl)pentylidene]-3-oxo-(2-oxolan-1(S)-yl)}-2-(phenylmethoxy)ethyl 4-methyl-3-(methylethyl)pentanoate

(E)-{5-oxo-2-[(phenylmethoxy)methyl]-4-(3-phenylpropylidene)-2,3-dihydrofur-2-yl}methyl 4-methyl-3-(methylethyl)pentanoate

(E)-1(S)-{4-[4-methyl-(1-methylethyl)pentylidene]-3-oxo-(2-oxolan-1(S)-yl)}-2-(phenylmethoxy)ethyl 4-methyl-3-(methylethyl)pentanoate

(E)-1(S)-[4-nonylidene-3-oxo-(2-oxolan-1(S)-yl)]-2-(phenylmethoxy)ethyl 4-methyl-3-(1-methylethyl)pentanoate

(Z)-1(S)-[4-nonylidene-3-oxo-(2-oxolan-1(S)-yl)]-2-(phenylmethoxy)ethyl 4-methyl-3-(1-methylethyl)pentanoate