00303nam a2200133Ia 45000030006000000080041000060400015000471000016000622450032000782500010001102600020001205460012001400050017001520STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aCohen, J.B.  aPractical organic chemistry  aThird  bMacmillanc1946  aEnglish20220125170244.0