. 2018 Nov 13;6:527. doi: 10.3389/fchem.2018.00527
Copyright © 2018 Murlykina, Morozova, Zviagin, Sakhno, Desenko and Chebanov.
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Figure 19.
Heterocyclizations of 5-aminotetrazole and 2-ethoxymethylidene-3-oxo esters.