51736-77-7 6''-O-Carbamoyltobramycin 6-O-Carbamoyltob D-Streptamine, O-3-amino-6-O-(aminocarbonyl)-3-deoxy-alpha-D-glucopyranosyl-(1-6)-O-(2,6-diamino-2,3,6-trideoxy-alpha-D-ribo-hexopyranosyl-(1-4))-2-deoxy- Nebramycin V' Nebramycin factor 5' Nebramycin-5'