000 00264nam a2200109Ia 4500
008 220204s9999 xx 000 0 und d
082 _a547.7
_bSCH
245 0 _aHeterocyclic compounds
260 _aLondon
_bButterwoths
_c1973
700 _aSchofield, K
942 _cBK
999 _c24881
_d24881