(E)-2,2,6,6-tetramethylhept-4-en-3-one

2-ethyl-N-pivaloylaniline

4-t-butyl-5-hydroxymethyl-1,3-dioxol-2-one

(1R,2S,5S)-2-methyl-4-oxo-5-(2-methyloxiran-2-yl)-4-oxo-2-vinylcyclohexyl pivalate

ethyl 4-(2',2'-dimethyl-1'-oxopropyloxy)-1-(3'-iodopropyl)-2-methylenecyclohex-3-ene-1-carboxylate