6'-N-(2-Phenylethyl)sisomicin 63142-40-5 D-Streptamine, O-2-amino-2,3,4,6-tetradeoxy-6-((2-phenylethyl)amino)-alpha-D-glycero-hex-4-enopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl)-(1-6)-2-deoxy-, hemihydrate