Collect. Czech. Chem. Commun.
1994, 59, 1841-1852
https://doi.org/10.1135/cccc19941841
Cyclization Dichotomy of Esters of 3-Ureido-2-cyano-2-propenoic and 3-Ureido-2-acyl-2-propenoic Acids
Miroslav Ledvina and Jiří Farkaš
Institute of Organic Chemistry and Biochemistry, Academy of Sciences of the Czech Republic, 166 10 Prague 6, Czech Republic
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