000 00266nam a22001217a 4500
008 170425b xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a54
100 _a12
101 _aSHM
245 _aHETEROCYCLIC COMPOUNDS
_cELDERFIELD, R.C
942 _2udc
_cBK
999 _c11924
_d11924