Self-condensation of 2-(ethoxalylmethyl)chromones into new derivatives of isotetronic acid / V. Y. Sosnovskikh, D. A. Vetyugova, A. V. Safrygin, O. S. Eltsov, P. A. Slepukhin // Mendeleev Communications. - 2018. - Vol. 28, № 4. - P434-436 Рубрики: ХИМИЧЕСКИЕ НАУКИ |