S-86451

2'-guanidyl-2'-deaminogentamicin C1

4-O-[2-[(Aminoiminomethyl)amino]-2,3,4,6,7-pentadeoxy-6-(methylamino)-α-D-ribo-heptopyranosyl]-6-O-[3-deoxy-4-C-methyl-3-(methylamino)-β-L-arabinopyranosyl]-2-deoxy-D-streptamine