00679nam a2200265Ia 4500003000400000005001700004006001900021007000300040008004100043020002600084024001000110037001300120040001800133041000800151082001800159100001400177245002700191260004300218300001800261500007600279650001800355650001400373700001300387700001300400OSt20220912151030.0a|||||r|||| 00| 0 ta220909b        |||||||| |||| 00| 0 eng d  a3540652523(V 2) (hbd)  a10953  cTextbook  aCSLbengcCSL  aeng  aE8, N8.2   TE  aGupta R R 0aHeterocyclic chemistry  aBerlinbSpringer-Verlag         c1998  ax, 638p.ccm.  aIncludes bibliographical references; Includes biblographical references  a Heterocyclic  aChemistry  a Gupta V  a Kumar M