00311nam a2200121Ia 45000030006000000080041000060400015000471000018000622450071000802600009001515460012001600050017001720STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aSigma; London  aBiochemical organic compounds for research and diagnostic reagents  c1990  aEnglish20220125170227.0