1-N-(S-3-Amino-2-hydroxypropionyl)-gentamicin B sulfate 67814-76-0 D-Streptamine, O-6-amino-6-deoxy-alpha-D-glucopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-N(sup 1)-(3-amino-2-hydroxy-1-oxopropyl)-2-deoxy-, (S)-, sulfate (salt) Exacin HAPA-B sulfate Isepacin Isepamicin sulfate Sch 21420 sulfate