safracin B

2-Amino-N-[(6,7,9,10,13,14,14a,15-octahydro-1,7-dihydroxy-2,11-dimethoxy-3,12,16-trimethyl-10,13-dioxo-6,15-epimino-5H-isoquino[3,2-b][3]benzazocin-9-yl)methyl]propionamide