2'-N-Formylsisomycin 76647-54-6 D-Streptamine, O-6-amino-2,3,4,6-tetradeoxy-2-(formylamino)-alpha-D-glycero-hex-4-enopyranosyl-(1-4)-O-(3-deoxy-4-C-methyl-3-(methylamino)-beta-L-arabinopyranosyl-(1-6))-2-deoxy-, (SP-4-2)- G 367 S1 G-367 S(1)