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- [3] Enaminouraciles as precursors for synthesis of pyrimido[4,5-d]pyrimidine-2,4-diones ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES, 2000, 55 (05): : 443 - 447
- [5] A FACILE SYNTHESIS OF 7-SUBSTITUTED PYRIMIDO[4,5-D]-PYRIMIDINE-2,4-DIONES SYNTHESIS-STUTTGART, 1984, (07): : 589 - 590
- [6] PYRIMIDO[4,5-D]PYRIMIDINE ANALOGS OF FOLIC-ACID ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, 1990, 199 : 35 - MEDI
- [8] One-pot green synthesis for pyrimido[4,5-d]pyrimidine derivatives Z. Naturforsch. Sect. B J. Chem. Sci., 2007, 5 (732-736):
- [9] SYNTHESES IN HETEROCYCLIC SERIES .18. SYNTHESIS OF PYRIMIDO[4,5-D]PYRIMIDINE CHEMISCHE BERICHTE-RECUEIL, 1973, 106 (11): : 3743 - 3752