Synonyms: CP 91244;AC1MJ0A4;CP-91,244;Semduramicin, 5-O-(tetrahydro-5-hydroxy-6-methyl-2H-pyran-2-yl)-, (5(2S,5S,6R))-;135215-73-5;2-[(2R,3S,4S,5R)-6-[(1R)-1-[(3S,7S,8R)-7-hydroxy-3-[(5S)-5-[(3S,5R)-5-[(3S,5R,6S)-6-hydroxy-3,5,6-trimethyloxan-2-yl]-3-[(2S,5S,6R)-5-methoxy-6-methyloxan-2-yl]oxyoxolan-2-yl]-5-methyloxolan-2-yl]-3,8-dimethyl-4,10-dioxaspiro[4.5]decan-9-yl]ethyl]-4-[(2S,5S,6R)-5-hydroxy-6-methyloxan-2-yl]oxy-5-methoxy-3-methyloxan-2-yl]ethaneperoxoic acid