00338nam a2200133Ia 45000030006000000080041000060400015000471000018000622450060000802500011001402600024001515460012001750050017001870STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aAcheson, R.M.  aIntroduction to the chemistry of heterocyclic compounds  aSecond  bWiley Easternc1967  aEnglish20220125170317.0