Based on the picture, it is a retrosynthesis of Demerol or also known as pethidine. Please help me to identify each of the reaction names and reagents, for each line. Urgently, thank you so much.

Pethidine ethy1 2.phenglacetate 2-bcomo-vV-(2-bromoethyl--v-methylechas-1-szaine ethyl 2-phosylacedate 2-phenylacetic acid ethanol 2-phenylacetic acid beazylmagnesima chloride benzylinagnesatm chloride (chloromethyl) benzene