000 00329nam a22001337a 4500
082 _a547.59 ACH
100 _aAcheson,R.M.
245 _aAn Introductionto the chemistry of heterocyclic compound
250 _a2nd
260 _aNew Delhi
_bWilly Eastern
_c1960
300 _a404
650 _a heterocyclic compound
942 _cBK
999 _c3517
_d3517