000 00282nam a22001097a 4500
003 OSt
008 230916b |||||||| |||| 00| 0 eng d
100 _aKatritzky, A. R.
245 _aAdvances in Heterocyclic Chemistry - Vol.IX
260 _aNew York
_bAc Press
_c1968
942 _2ddc
_cBK
999 _c31860
_d31860