000 00251nam a2200109Ia 4500
008 190704s9999 xx 000 0 und d
082 _a547 T354
100 _aTIWARI,R.D
245 0 _aORGANIC CHEMISTRY
260 _aAllahabad
_bCENTRAL
942 _cBB
_2DDC
999 _c6795
_d6795