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Dierct cyanation of 1,2,4-triazine 4-oxides.
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Chupakhin, O. N. and Rusinov, G. L. and Ulomsky, and Kojevnikov, and Neunhoeffer, Hans and Rusinov, G. L. and Ulomsky, and Kojevnikov, and Neunhoeffer, Hans (1996):
Reactions of 1,2,4-triazin 4-oxides with indoles.
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Geminal addition of a nucleophile in the series of triazolo[5,1-c]-1,2,4-triazin-7(4H)-ones.
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