(-)-(5S)-[4-(tert-butyldimethylsilanyloxy)butyl]-(4S)-methyldihydrofuran-2-one

(-)-trimethyl-[(3R)-methyl-6-phenylhexa-1,5-diynyl]silane

(-)-(5R)-allyl-(2S)-(4-iodobutyl)-(3S)-methyltetrahydrofuran

(-)-14-benzylidene-(15S)-hydroxy-(6S,13R,19R)-trimethyl-(9R)-propyl-8,20-dioxabicyclo[15.2.1]icosan-7,11-dione

(1S,6S,9R,13R,17R,19S)-(+)-15-tert-butyldiphenylsilyloxy-6,13,19-trimethyl-11-methylene-9-propyl-8,20-dioxabicyclo[15.2.1]eicosan-7,14-dione