83860-42-8 Istamycin C(sub 0) L-chiro-Inositol, 4-amino-3-O-(2-amino-2,3,4,6-tetradeoxy-6-(ethylamino)-alpha-D-erythro-hexopyranosyl)-1,4,5-trideoxy-6-O-methyl-1-(methylamino)-, carbonate (2:1) (salt)