Benzo(h)(1)benzopyrano(5,4,3-cde)(1)benzopyran-5,12-dione, 10-((2-o-(2-amino-2,6-dideoxy-3-o-methyl-alpha-D-galactopyranosyl)-6-deoxy-3-C-methyl-beta-D-galactopyranosyl)oxy)-6-hydroxy-1-methyl-, butanedioate DE5414000 Elsamicin succinate salt