00459nam a2200169Ia 4500008004100000020001800041082001600059100001900075245003400094250000600128260005200134300000800186650003400194650001800228653002100246653002200267170901s1993    xx            000 0 und d  a9788181288637  a547.7bT40C  aThomson, R. H. 0aChemistry of Natural Products  a2  aLondonbBlackie Academic and Professionalc1993  a452  aChemistry and allied sciences  aPure Sciences  aNatural products  aOrganic chemistry