000 00296nam a22001337a 4500
999 _c1528
_d1528
020 _a9788122435641
082 _a541.23
100 _aP S Kalsi
245 _aStereo chemistry conformation and mechanism
250 _a8th
260 _aNew Delhi
_bNew Age
_c2015
300 _a627
942 _cBK
_020