000 00327nam a2200169Ia 4500
100 _aSingh, K
080 _a547
080 _bSin/
526 _dNTB
526 _aPG
366 _f20%
942 _cBK
245 _aProblems in organic chemistry
260 _aWiley
_bNew Delhi
_c2017
300 _axiii,502
546 _aE
999 _c55733
_d55733