for the following products
1-[2-(Oxiran-2-ylmethoxy)phenyl]-3-phenylpropan-1-one | 2'-(2,3-Epoxypropoxy)-3-phenyl propiophenone | 2'-(Oxiranylmethoxy)-3-phenylpropiophenone | Propafenone EP Impurity C and 1-(2-(2,3-Epoxypropoxy)phenyl)-3-phenyl-1-propanone