REACTION OF 3-AZIDOISOXAZOLES WITH ACTIVE METHYLENE COMPOUNDS ArticleLemport P.S., Roznyatovsky V.A., Tarasevich B.N., Khromov O.V., Khrustalev V.N., Rozentsveig I.B., Nenajdenko V.G.Mendeleev Communications. Vol. 29. 2019. P.. 529-530