000 00307nam a22001217a 4500
003 OSt
008 240215b |||||||| |||| 00| 0 eng d
082 _aP547.7
_bA23
245 _aAdvances in Heterocyclic chemistry and biochem - Vol.38
260 _aNew York
_bA. P
_c1981
300 _a577
942 _2ddc
_cBK
999 _c37189
_d37189