01168nam2-2200313li-450 99000018636020331620180312154818.00018636USA010018636(ALEPH)000018636USA01001863620001109d1984----km-y0itay0103----baengGB<<Pt. 3>> Five-membered rings with oneoxygen, sulfur or nitrogen atomeditors Clive W. BirdXIV, 1195 p00100186252001Comprehensive heterocyclic chemistrythe structure, reactions, synthesis and uses of heterocyclic compoundschairman of the editorial board Alan R. Katritzky, co-chairman of theeditorial board Charles W. ReesBird,Clive W.91290Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000186360203316547.59 COM 4/30012796BKSCI1991101120001110USA01171320020403USA011626PATRY9020040406USA011613Five-membered rings with oneoxygen, sulfur or nitrogen atom1500934UNISA