000 00266nam a2200121Ia 4500
008 220104s9999 xx 000 0 und d
041 _aENGLISH
082 _a570
100 _aRaj K. Bansal
245 0 _aHeterocyclic Chemistry
260 _bNEW AGE
942 _cBK
999 _c191536
_d191536