(2S,3R,4S,5R,6R,8R,9S,10S,11R,12R,13R)-1,3,5,6-tetrahydroxy-11,12-isopropylidenedioxy-9,13-bis(4-methoxybenzyloxy)-2,4,6,8,10,12-hexymethylpentadecane

(9S)-dihydroerythronolide A

(4R,5S,6S,7R,8R,9R)-7,8-isopropylidenedioxy-5,9-bis(4-methoxybenzyloxy)4,6,8-trimethylundecan-2-one

5,6-O-<1-(4-methoxyphenyl)ethylidene>dihydroerythronolide A

(2S,3R,4S,5R,6R,8R,9S,10S,11R,12R,13R)-1,3,9,13-tetrahydroxy-11,12-isopropylidenedioxy-5,6<1-(4-methoxyphenyl)-ethyilidenedioxy>-2,4,6,8,10,12-hexamethylpentadecane