(3'S)-3'-Demethyl-8,19-epoxy-12-deoxyerythromycin

(3'S)-3'-Demethyl-12-deoxyerythromycin

(3'S)-3'-Demethyl-12-deoxy-10-hydroxyerythromycin

(3'S)-3'-Demethyl-12-deoxy-8-hydroxyerythromycin

(3R,4S,5S,6R,7R,9R,11R,12S,13R,14R)-4-[(2R,4R,5R,6S)-4,5-dihydroxy-4,6-dimethyloxan-2-yl]oxy-6-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-14-ethyl-7,12-dihydroxy-3,5,7,9,11,13-hexamethyl-oxacyclotetradecane-2,10-dione

21-Norsenecionan-11,16-dione, 13,19-epoxy-12-hydroxy-14-methyl-, (14beta)-

(3R,3'R,6'R)-7,8-Dihydro-β,ε-carotene-3,3',8,19-tetrol