Condensed heterocycles with a thiazole ring. 14 Nature of the electronic spectra of symmetrical polymethine dyes of the thiazolo[3,4-b][1,2,4]triazine series
1987 ◽
Vol 23
(4)
◽
pp. 460-462
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1990 ◽
Vol 26
(10)
◽
pp. 1173-1175
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