(4R,5R)-1-iodo-4,5-isopropylidenedioxy-14-pentadecene

(2R)-1-tosyloxy-2-tert-butyldimethylsilyloxyoct-7-ene

(4R,5R,8R,9S,12R,13R)-9-hydroxy-12,13-isopropylidenedioxy-5,8-oxidotricos-22-en-1,4-olide

{(E,Z)}-4-tert-butyldimethylsilyloxy-15,24-di(methoxymethoxy)-34-(p-methoxybenzyloxy)methyloxyasimicin-9-en-11-yne

(5S)-5-methyl-3-phenylsulfanyl-4,5-dihydrofuran-2(3H)-one