p. 905 - 913
(2007/10/03)2-(diethoxyphosphoryl)propionic acid ethyl ester
4,6,6-trimethyl-2-oxo-cyclohex-3-enecarboxylic acid ethyl ester
3,5,5-Trimethylcyclohex-2-en-1-one
ethyl-1-[2-(1,3-dioxolan-2-yl)-ethyl]-4,6,6-trimethyl-2-oxo-1-cyclohex-3-enyl-carboxylate
6-[2-(1,3-dioxolan-2-yl)-ethyl]-2,3,5,5-tetramethyl-cyclohex-2-en-1-one