(9S)-3-O-(2,6-anhydro-4-O-benzyl-3-C-methyl-3-O-methyl-2-thio-α-L-altropyranosyl)-9-dihydro-5-O-(2-O-(methoxycarbonyl)-β-D-desosaminyl)erythronolide A N-Oxide

(9S)-3-O-(2,6-anhydro-4-O-benzyl-3-C-methyl-3-O-methyl-2-thio-α-L-altropyranosyl)-9-dihydro-9,11-O-isopropylidene-5-O-(2-O-(methoxycarbonyl)-β-D-desosaminyl)erythronolide A N-Oxide

methyl 2,6-anhydro-4-O-benzyl-3-C-methyl-3-O-methyl-2-thio-α-L-altropyranoside

(9S)-9-dihydroerythromycin A

phenyl 2,6-anhydro-4-O-benzyl-3-C-methyl-3-O-methyl-1,2-dithio-β-L-altro-pyranoside