01229nam2-2200325li-450 99000010612020331620200410123456.00010612USA010010612(ALEPH)000010612USA0100106122001991101184----km-y0itay0103----baengGB<<Pt. 4A>> Five-membered rings with two or more nitrogen atomsKevin T. PottsXIV, 994 p.0019900001862502033162001Comprehensive heterocyclic chemistrythe structure, reactions, synthesis and uses of heterocyclic compoundschairman of the editorial board Alan R. Katritzky, co-chairman of theeditorial board Charles W. ReesPotts,Kevin T.91297Sistema bibliotecario di Ateneo dell' Università di SalernoRICA990000106120203316547.59 COM 5/4A12797/CBS547.5900325765BKSCI1991101120001110USA01171020020403USA011618PATRY9020040406USA011608RSIAV69020090805USA010959Five-membered rings with two or more nitrogen atoms1500935UNISA