6-methyl-6-(5-methylfuran-2-yl)heptan-2-one

(E)-4-(1,2,2-Trimethyl-6-oxo-cyclohexyl)-but-3-en-2-on

4-(3'-methoxy-3',7',7'-trimethyl-2'-oxa-1'-cycloheptylidene)-2-butanone

methyl 4,5-dihydro-1,2-oxazole-3-carboxylate

methyl-2-carbomethoxy-3-methoxyisoxazolidine-3-carboxylate