00287nam a2200121Ia 4500001000500000005001700005008004100022020000800063082001200071245004200083260001500125650002500140599020261006003915.0120911s9999    xx            000 0 und d  aNIL  a547 GOT  aProblem in advanced organic chemistry  aHOLDEN-DAY  aChemistry ,Inorganic