54927-63-8

A28695A A-28695A A 28695A septamycin Antibiotic A-28695A 2H-Pyran-2-acetic acid, 6-[[(2R,3R,4R,5S,7S,9R,10R)-3,9-dimethoxy-2,4,10-trimethyl-2-[(2S,2'R,5R,5'R)-octahydro-5'-[(2S,3S,5R,6S)-tetrahydro-6-hydroxy-3,5,6-trimethyl-2H-pyran-2-yl][2,2'-bifuran]-5-yl]-1,6-dioxaspiro[4.5]dec-7-yl]methyl]tetrahydro-2-hydroxy-4-methoxy-α,3,5-trimethyl-5-[[(2S,5S,6R)-t...