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020 _c598
_a9789388599146
040 _aSCI
082 _a547 TAN O
100 _aTandan, O.P.
_910542
245 2 _aOrganic chemistry
250 _a21st ed.
260 _bG.R. Bathla
_aNew Delhi
_c2019
300 _a524p.
650 _aChemistry
_910131
700 _aVirmani, A.K.
_910543
942 _cBK
999 _c61136
_d61136