O-2,4,6-Triisopropylbenzenesulfonyl Despentamino Pentazido Tobramycin Tetrabenzyl Ether-d1 is an intermediate in the synthesis of Tobramycin-D, 18O Acetic Acid Salt, which is the labeled analogue of Tobramycin (T524000), a single factor antibiotic comprising about 10% of nebramycin, the aminoglycosidic antibiotic complex produced by Streptomyces tenebrarius. Antibacterial.