151864-97-0 Calonyctin A-2b DC-2b Tetradecanoic acid, 11-((O-6-deoxy-3-O-(3-hydroxy-2-methyl-1-oxobutyl)-beta-D-glucopyranosyl-(1-3)-O-(6-deoxy-alpha-L-mannopyranosyl-(1-2))-O-6-deoxy-beta-D-glucopyranosyl-(1-2)-6-deoxy-beta-D-glucopyranosyl)oxy)-, intramol 1,2'''-ester