00456nam a2200181Ia 4500008004100000020001500041082001900056100001700075245002700092250000600119260002300125300000800148650003400156650001800190653002700208653002200235700001700257170901s1978    xx            000 0 und d  a0442301979  a547.5904bJ76H  aJoule, J. A. 0aHeterocyclic Chemistry  a2  aLondonbELBSc1978  a378  aChemistry and allied sciences  aPure Sciences  aHeterocyclic compounds  aOrganic chemistry  aSmith, G. F.