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999 _c2039
_d2039
003 OSt
005 20200812151044.0
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040 _coclc
082 _a547
_bSIN/O
100 _aSingh, R N
_94080
245 0 _aOrganic Chemistry /
_cR N Singh ; S M L Gupta ; M M Bokadia
250 _a2nd Ed.
260 _bRatan Prakashan Mandir,
_c1974.
_aAgra:
300 _a900p
650 _aChemistry-Chemistry
942 _cBK
_2ddc
_h547
_iSIN/O
_k547
_mSIN/O