Collect. Czech. Chem. Commun.
1991, 56, 973-983
https://doi.org/10.1135/cccc19910973
Substituted 1,2-diaza-7-oxaspiro[4,4]nonen-6-ones; Preparation, NMR spectra, and crystal structure
Jaroslav Jonasa, Tadeusz Głowiakb, Zdirad Žákc, Petr Trškad and Ctibor Mazala
a Department of Organic Chemistry, Masaryk University, 611 37 Brno, Czechoslovakia
b Institute of Chemistry, University of Wroclaw, 50-383 Wroclaw, Poland
c Department of Inorganic Chemistry, Masaryk University, 611 37 Brno, Czechoslovakia
d Central Laboratories, Prague Institute of Chemical Technology, 166 28 Prague, Czechoslovakia
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