00293nam a2200121Ia 4500008004100000040001600041041001200057082001700069100001500086245003100101260002900132300001000161230917s9999||||xx |||||||||||||| ||und||  e86500aMAIN  aEnglish  a547.59 G959H  aGupta, R R 0aHeterocyclic Chemistry. 2V  aNew YorkbSpringerc1999  av. p.