000 00282nam a22001097a 4500
003 OSt
008 230918b |||||||| |||| 00| 0 eng d
100 _aKatritzky, A. R.
245 _aAdvances in Heterocyclic Chemistry - Vol.XV
260 _aNew York
_bAc Press
_c1973
942 _2ddc
_cBK
999 _c31871
_d31871