SEARCH Articles Figures Tables Benzotriazines and Other Condensed 1,2,3-Triazines Condensed 1,2,4-triazines, synthesis Condensed 1,2,4-triazines: I. Fused Condensed 1,2,4-triazines: I. Fused five-membered rings Condensed 1,2,4-triazines: I. Fused heterocycles with three-, four-, and Condensed 1,2,4-triazines: I. Fused heterocycles with three-, four-, and fivemembered rings