00308nam a2200121Ia 4500008004100000020001800041082001400059100001500073245003400088250000900122260004600131300000900177190710s9999    xx            000 0 und d  a93-525-3196-7  a547 B148T  aBahl, Arun 0aTextbook of organic chemistry  a22nd  aNew DelhibS Chand and Company Limic2017  a1108