(4R,5R,8R,9R,12R,13R)-1-tert-butyldimethylsilyloxy-4,13-di(methoxymethoxy)-5,8,9,12-dioxidotricos-23-ol

4-tert-butyldimethylsilyloxy-15,24-di(methoxymethoxy)-34-(p-methoxybenzyloxymethyloxy)asimicin

(cis,4R,5R,12R,13R)-5-tert-butyldiphenylsilyloxytricos-12,13-isopropylidenedioxy-8,22-dien-1,4-olide

(2R)-2-tert-butyldimethylsilyloxy-1-iodooct-7-ene

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