MOLECULAR STRUCTURE AND TAUTOMERISM OF THE 1,3,2-BENZODIOXAARSOLE ETHER OF TROPOLONE ArticleMinkin V.I., Olekhnovich L.P., Metlushenko V.P., Furmanova N.G., Bally I., Balaban A.T.Tetrahedron. Vol. 37. 1981. P.. 421-427