saframycin Mx1

2-Amino-N-[[[(5S)-6,7,9,10,13,14,14aα,15-octahydro-1,4,7α-trihydroxy-2,5α,11-trimethoxy-3,12,16-trimethyl-10,13-dioxo-6α,15α-epimino-5H-isoquino[3,2-b][3]benzazocin]-9β-yl]methyl]propionamide