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