Dipivefrine - 2-[(2,2-Dimethylpropanoyl)oxy]-5-[1-hydroxy-2-(methylamino)ethyl]phenyl 2,2-dimethylpropanoate; 4-(1-hydroxy-2-(methylamino)ethyl)-1,2-phenylene bis(2,2-dimethylpropanoate); Dipivefrin (USP);
Dipivefrine EP Impurity C – 2-hydroxy-5-[(1RS)-1-hydroxy-2-(methylamino)- ethyl]phenyl 2,2-dimethylpropanoate; [2-hydroxy-5-[1-hydroxy-2-(methylamino)ethyl]phenyl] 2,2-dimethylpropanoate;
Dipivefrine EP Impurity D - 2-hydroxy-4-[(1RS)-1-hydroxy-2-(methylamino)- ethyl]phenyl 2,2-dimethylpropanoate; [2-hydroxy-4-[1-hydroxy-2-(methylamino)ethyl]phenyl] 2,2-dimethylpropanoate;
Dipivefrine EP Impurity E - 4-[(methylamino)acetyl]-1,2-phenylene bis(2,2- dimethylpropanoate) (adrenalone dipivalate ester) ; [2-(2,2-dimethylpropanoyloxy)-4-[2-(methylamino)acetyl]phenyl] 2,2-dimethylpropanoate;