Landiolol Impurity 135

(S) -1- (4- (3- (((S) -2,2-dimethyl-1,3-dioxolan-4-yl) methoxy) -3-oxopropyl) phenoxy) -3- ((2- (morpholine-4-carboxamido) ethyl) amino) propan-2-yl 3- (4- ((S) -2-hydroxy-3- ((2- (morpholine-4-carboxamido) ethyl) amino) propoxy) phenyl) propanoate