Showing structure for [(6r)-6-[(1r,3as,3br,4r,5ar,7s,9as,9bs,11ar)-7-({3-[(4-aminobutyl)amino]propyl}amino)-4-hydroxy-9a,11a-dimethyl-tetradecahydro-1h-cyclopenta[a]phenanthren-1-yl]-2-methyl-3-oxoheptyl]oxysulfonic acid