Tetrahydro-2h-pyran
(3R,4S,5R,6R,7R,9R,11R,12S,13R,14R)-4-{[(2R,4R,5S,6S)-4,5-dihydroxy-4,6-dimethyltetrahydro-2H-pyran-2-yl]oxy}-14-ethyl-6,7,12-trihydroxy-3,5,7,9,11,13-hexamethyloxacyclotetradecane-2,10-dione
methyl (2R)-2-({[(5S,6S)-5-{[(2S,3R,4S,5S,6R)-5-(dimethylamino)-3-hydroxy-6-methyl-4-{[(2S,3R,4S,5R)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl]oxy}tetrahydro-2H-pyran-2-yl]oxy}-1,6,9,14-tetrahydroxy-11-methoxy-3-methyl-8,13-dioxo-5,6,8,13-tetrahydrobenzo[a
({[(5S,6S)-11-cyano-5-{[(2S,3R,4S,5S,6R)-3,5-dihydroxy-6-methyl-4-{[(2S,3R,4S,5R)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl]oxy}tetrahydro-2H-pyran-2-yl]oxy}-1,6,9,14-tetrahydroxy-3-methyl-8,13-dioxo-5,6,8,13-tetrahydrobenzo[a]tetracen-2-yl]carbonyl}amino)
(2S)-2-({[(5S,6R)-13-amino-1,6,8-trihydroxy-5-{[(2S,3R,4S,5S,6R)-3-hydroxy-6-methyl-5-(methylamino)-4-{[(2S,3R,4S,5R)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl]oxy}tetrahydro-2H-pyran-2-yl]oxy}-11-methoxy-3-methyl-9,14-dioxo-5,6,9,14-tetrahydrobenzo[a]tetr