Tetrahydro-2h-pyran
methyl (1R,2R,4S)-2-ethyl-2,5,7-trihydroxy-6,11-dioxo-4-{[2,3,6-trideoxy-4-O-{2,6-dideoxy-4-O-[(2S,5S,6S)-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl]-alpha-L-lyxo-hexopyranosyl}-3-(dimethylamino)-alpha-L-lyxo-hexopyranosyl]oxy}-1,2,3,4,6,11-hexahydrotetra
(2R,3S,4R,5R,6S)-2-(hydroxymethyl)-3-methyl-6-[(4aS,7aR)-1,4a,5,7a-tetrahydrocyclopenta[c]pyran-1-yloxy]tetrahydro-2H-pyran-2,3,4,5-tetrol