72503-80-1 Antibiotic KA 7038III BRN 1432330 Istamycin A(sub 0) KA 7038III L-Chiro-Inositol, 4-amino-3-O-(2-amino-2,3,4,6-tetradeoxy-6-(methylamino)-alpha-D-erythro-hexopyranosyl)-1,4,5-trideoxy-6-O-methyl-1-(methylamino)- sulfate, hydrate (1:2:4) L-chiro-Inositol, 4-amino-3-O-(2-amino-2,3,4,6-tetradeoxy-6-(methylamino)-alpha-D-erythro-hexopyranosyl)-1,4,5-trideoxy-6-O-methyl-1-(methylamino)- Sannamycin B