ethyl (-)-(R)-all-trans-3-(tert-butyldimethylsilyloxy)-retinoate

(1R,3'E)-4-(5-hydroxy-3-methylpent-3-en-1-yn-1-yl)-3,5,5-trimethylcyclohex-3-en-1-yl acetate

1,1-dimethylethyl{[(1R)-4-ethynyl-3,5,5-trimethylcyclohex-3-entl]oxy}dimethylsilane

(1R,2S,4S)-4-tert-butyldimethylsiloxy-1,2-epoxy-2,6,6-trimethylcyclohexane-1-carbaldehyde

(3Z,5E)-6-[(1'S,2'R,4'S)-4'-tert-butyldimethylsiloxy-1',2'-epoxy-2',6',6'-trimethylcyclohex-1'-yl]-4-ethoxycarbonylhexa-3,5-dien-1-yne