76069-32-4 BRN 4325250 Bleomycinamide, N(sup 1)-(4-aminobutyl)-13-((4-amino-4,6-dideoxy-alpha-L-talopyranosyl)oxy)-19-demethyl-12-hydroxy- Talisomycin S(sub 10b) Tallysomycin S(sub 10b)