This is solution of my previous doubt here how do I know

Last updated: 6/28/2023

This is solution of my previous doubt here how do I know which is R and which is R Example for butanoic ethanoic anhydride will butyl or ethyl attach to benzene ring and w hy Ex 1 R O 11 C Anhydride O 1 R 0 R Alel3 R Deylation 14 Ale 3 C R