63121-20-0 66-86-4 D-Streptamine, O-2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl-(1-4)-O-(O-2,6-glucopyranosyl-(1-4)-O-(O-2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl-(1-3)-beta-D-ribofuranosyl-(1-5))-2-deoxy- Dekamycin II Neomycin C