00436nam a2200169Ia 4500003000400000005001700004008004100021020001800062040000700080041000800087082001900095100001800114245006200132260004200194300001700236365001300253OSt20230330102353.0210423s2011    xx            000 0 und d  a9788120341791  cAL  aeng  a547.2 NARR223  aNARAIN (R P).  aFundamentals of reaction mechanisms in organic chemistry.  aNew DelhibPHI Learning Pvt Ltdc2011  axiii,265bPB  b275cINR