A 51493A
4H-Anthra[1,2-b]pyran-4,7,12-trione, 11-hydroxy-2-[2-hydroxy-1-oxiranyl-1-[[2,3,6-trideoxy-3-(dimethylamino)-β-L-arabino-hexopyranosyl]oxy]ethyl]-5-methyl- (9CI)
A51493A is an anthracyclinone antibiotic with antimicrobial activities against Gram-positive bacteria[1].
References
[1] Paschal JW, et al. A51493A, a novel anthracyclinone antibiotic produced by a strain of Streptomyces humifer. J Antibiot (Tokyo). 1989 Apr;42(4):623-6. DOI:10.7164/antibiotics.42.623