Synthesis and solvatochromic and acid-base reactions of a betaine and salts of 4-N-pyridiniumcatechol

Chemistry of Heterocyclic Compounds - Tập 29 Số 12 - Trang 1428-1434 - 1993
O. Ya. Neiland1, I. L. Kraupsha1, I. Ya. Gudele1
1Riga Technical University, LV-1048, Riga

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