66082-30-2 Propanamide, N-((6,7,9,10,13,14,14a,15-octahydro-1,4-dihydroxy-2,11-dimethoxy-3,12,16-trimethyl-5,10,13-trioxo-6,15-imino-5H-isoquino(3,2-b)(3)benzazocin-9-yl)methyl)-2-oxo-, (6R-(6-alpha,9-beta,14a-alpha,15-alpha))- Saframycin D