01267nam2-2200325li-450 99000010613020331620200410123419.00010613USA010010613(ALEPH)000010613USA0100106132001991101184----km-y0itay0103----baengGBFive-membered rings with two or more oxygen, sulfur or nitrogen atomseditor Kevin T. PottsPt. 4BXIV, 1170 p0019900001862502033162001Comprehensive 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 SalernoRICA990000106130203316547.59 COM 6/4B12798/CBS547.5900325768BKSCI1991101120001110USA01171020020403USA011618PATRY9020040406USA011608RSIAV69020090805USA011004Five-membered rings with two or more oxygen, sulfur or nitrogen atoms95152UNISA