3-(1-ethoxycarbonyl-2-oxo-cyclohexyl)-propionic acid ethyl ester

Methyl (Z)-2-(carboxyethyl)cyclohexylideneacetate

Methyl (Z)-2-(phenylselanylcarbonylethyl)cyclohexylideneacetate

2-环己酮甲酸乙酯

1,2,4,5,6,7-Hexahydro-7a-H-inden-3-yl acetate