(R)-2-[(4S,5R,6S)-2,2,5-Trimethyl-6-((E)-(1S,3R,7R,8R)-1,3,7-trimethyl-4-oxo-8-triethylsilanyloxy-dec-5-enyl)-[1,3]dioxan-4-yl]-thiopropionic acid S-tert-butyl ester

(9S)-6,12-Dideoxy-9-deoxo-9-hydroxy-3,5-O-(1-methylethylidene)erythronolide A ((9S)-Dihydro-6-deoxy-erythronolide B) 3,5-Acetonide

(1S,2R,5R,6R,7S,8R,10R,12S,13S,17R)-5-Ethyl-7-hydroxy-2,6,8,10,12,15,15,17-octamethyl-4,14,16-trioxa-bicyclo[11.3.1]heptadecane-3,9-dione

(3S,4R,5S,6R,7R,9R,10S,11S,12R,13R,14R)-14-<(triethylsilyl)oxy>-6,7-(isopropylidenedioxy)-3,5,7,9,11,13-hexamethylhexadec-1-ene-4,10,12-triol

(R)-2-[(4S,5R,6S)-6-((1S,3R,5S,6R,7R,8R)-4,6-Dihydroxy-1,3,5,7-tetramethyl-8-triethylsilanyloxy-decyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-thiopropionic acid S-tert-butyl ester