Synonyms: 4,13-Dioxabicyclo[8.2.1]tridec-12-en-5-one,7-[(2,6-dideoxy-3-C-methyl-3-O-methyl-a-L-ribo-hexopyranosyl)oxy]-3-(1,2-dihydroxy-1-methylbutyl)-2,6,8,10,12-pentamethyl-9-[[3,4,6-trideoxy-3-(dimethylamino)-b-D-xylo-hexopyranosyl]oxy]-,[2R-[2R*,3R*(1R*,2R*),6R*,7S*,8S*,9R*,10R*]]-; 8,9-Anhydropseudo-erythromycinA-6,9-hemiketal; EM 701; LY 267108; Pseudoerythromycin A enol ether