106544-47-2 Benzo(h)(1)benzopyrano(5,4,3-cde)(1)benzopyran-5,12-dione, 10-((2-O-(2-(acetylamino)-2,6-dideoxy-3-O-methyl-alpha-D-galactopyranosyl)-6-deoxy-3-C-methyl-beta-D-galactopyranosyl)oxy)-6-hydroxy-1-methyl- N-Acetylelsamicin A