134887-79-9 Altromycin G D-glycero-D-manno-Octonic acid, 2-C-(10-(3-amino-2,3,6-trideoxy-4-O-(2,6-dideoxy-3-O-methyl-alpha-D-ribo-hexopyranosyl)-3-C-methyl-alpha-L-lyxo-hexopyranosyl)-2-(2,3-dimethyloxiranyl)-7,12-dihydro-11-hydroxy-4,7,12-trioxo-4H-anthra(1,2-b)pyran-4-yl)-3,7-anhydro-8-deoxy-5-O-methyl-, methyl ester, (2xi)-