3',4'-Dideoxykanamycin C hemihydrate 65566-76-9 D-Streptamine, O-3-amino-3-deoxy-alpha-D-glucopyranosyl-(1-6)-O-(2-amino-2,3,4-trideoxy-alpha-D-erythro-hexopyranosyl-(1-4))-2-deoxy-, hydrate (2:1)