000			00619nam a22001577a 4500
008			230621b |||||||| |||| 00| 0 eng d
040			_aNational Science Library _cNational Science Library
080			_aR 547.7/8 _bM4.5
245			_aComprehensive heterocyclic chemistry: _bThe structure, reactions, synthesis and uses of heterocyclic compounds _c/ Pergamon Press, volume 5, part 4A, five-membered rings with two or more nitrogen atom
260			_aOxford: _bPergamon Press, _c1984
300			_axvi, 994p.
650			_aChemistry
653			_aScience
700			_aKatritzky, Alan R (Ed.)
942			_2udc _cBK
999			_c45745 _d45745