2230C 36019-37-1 Antibiotic 2230C Antibiotic 503-1 D-Streptamine, O-2-amino-2-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(O-alpha-D-mannopyranosyl-(1-4)-O-2,6-diamino-2,6-dideoxy-beta-L-idopyranosyl-(1-3)-beta-D-ribofuranosyl-(1-5))-2-deoxy- Mannosylparomomycin