00276nam a2200121 a 450000500170000002000150001708200170003210000180004924500290006725000110009626000300010730000170013720251203090449.0  a0713523654  a547,bD, nor  aNorman, R.O.C  aModern organic chemistry  a4th ed  aLoNew DelhionbELBSc1983  ax,396p, 25cm