Synonyms: Bleomycin B6;N1-(20-Amino-6,13,20-triimino-5,7,12,14,19-pentaazaicosan-1-yl)bleomycinamide;Bleomycinamide, N1-(20-amino-6,13,20-triimino-5,7,12,14,19-pentaazaeicos-1-yl)-;N1-(20-Amino-6,13,20-triimino-5,7,12,14,19-pentaazaeicos-1-yl)bleomycinamide