NSC 150439

chalcomycin

Chalcomycin A

Stereoisomer of 2-[[(6-deoxy-2,3-di-O-methyl-beta-D-allopyranosyl)oxy]methyl]-9-[(4,6-dideoxy-3-O-methyl-beta-D-xylo-hexopyranosyl)oxy]-12-hydroxy-3,8,10,12-tetramethyl-4,17-dioxabicyclo[14.1.0]heptadeca-6,14-diene-5,13-dione