m-nitroaniline wala wadi.
aniline ortho para yomukarakayak nisa p-nitroaniline wala nitro kandaya sidu karana electron akarashanaya m-nitroaniline waladi karana akarshanayata wada wadi. eka nisa p-nitroaniline wala N matha thiyena ekasara electron yugala wedipura samprayukthathawata daayaka...