72463-95-7 Fortimicin KG(sub 3) L-chiro-Inositol, 4-amino-1-((aminoacetyl)methylamino)-3-O-(3-amino-6-(1-aminoethyl)-3,4-dihydro-2H-pyran-2-yl)-1,4-dideoxy-6-O-methyl-, (2S-(2-alpha,3-alpha,6(R*)))-