1-N-(L(-)-γ-amino-α-hydroxybutyryl)kanamycin A
D-STREPTAMINE, O-3-AMINO-3-DEOXY-.ALPHA.-D-GLUCOPYRANOSYL-(1->6)-O-(6-AMINO-6-DEOXY-.ALPHA.-D-GLUCOPYRANOSYL-(1->4))-N(SUP 1)-(4-AMINO-2-HYDROXY-1-OXOBUTYL)-2-DEOXY-, (S)-