25-Dihydro-25-beta-ketopropylsaframycin A 92569-01-2 Pentanamide, N-((7-cyano-1,5,6,7,9,10,13,14,14a,15-decahydro-2,11-dimethoxy-3,12,16-trimethyl-1,4,10,13-tetraoxo-6,15-imino-4H-isoquino(3,2-b)(3)benzazocin-9-yl)methyl)-2-hydroxy-2-methyl-4-oxo- Saframycin H