00313nam a2200145Ia 4500008004100000020000900041035000900050082001300059100001900072245004100091250000600132260000900138500000600147650001400153210723s9999||||xx |||||||||||||| ||und||  aNULL  a7875  a541BVIS  aVishnoi, N. K. 0aAdvanced Practical Organic Chemistry  a-  a-b-  a0  aChemistry