53797-35-6 EINECS 258-783-1 Landamycine Riboflavine sulfate Ribomycine Ribostamin Ribostamycin sulfate Ribostamycin sulphate SF 733 antibioic sulfate Streptamine, O-2,6-diamino-2,6-dideoxy-alpha-D-glucopyranosyl-(1-4)-O-(beta-D-ribofuranosyl-(1-5))-2-deoxy-, sulfate