(3S,4S,5R)-3,5-dihydroxy-4-methyl-n-heptanoic acid-δ-lactone

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

(2S,3R)-2-methyl-3-<(triethylsilyl)oxy>pentanal

(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

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