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- [44] Synthesis and NMR-spectroscopic investigation of pyrazolo[1,5-a]pyrimidine derivatives KHIMIYA GETEROTSIKLICHESKIKH SOEDINENII, 1997, (05): : 619 - 628
- [47] STUDIES WITH POLYFUNCTIONALLY SUBSTITUTED HETEROCYCLES - NOVEL SYNTHESIS OF PYRAZOLO[1,5-A]PYRIMIDINE, TRIAZOLO-[1,5-A]PYRIMIDINE AND PYRANOOXAZOLE DERIVATIVES JOURNAL OF CHEMICAL RESEARCH-S, 1994, (11): : 416 - 417