00469nam a22001217a 4500020002400000082001600024100002600040245010300066260003100169300003300200500002000233650009400253  a9788123923758 (pbk)  a547.59bSID  aSiddiqui, Anees ahmad  aPrecise chemistry of natural products and heterocyclic compundsbfor pharmacy and science students  aDelhibCBS Publisherc2016  av, 488 p.b: ill. c; 24 cm.  aIncludes index.  aHeterocyclic chemistryvAromaticityvEnergiesvHeterocyclesvCyclizationvPyridinesvRIPS