antibiotic Y

(8S,10S)-8β-Acetyl-10α-[(3-amino-2,3,6-trideoxy-α-L-lyxo-hexopyranosyl)oxy]-6,6a,7,8,9,10,10a,11-octahydro-1,8,11-trihydroxy-5,12-naphthacenedione