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Synthetic pathway to prepare derivative of bis([1,2,4]triazolo)[4,3-a:3′,4′-c]quinoxaline (97) with reagents and conditions; (a) absolute ethanol/KOH/CS2/reflux/6 h, (b) absolute ethanol/KOH/heating/10 min, (c) ethyl-4-bromobutyrate/dry DMF/KI/heating in w.b./3 h.
