GREEN SYNTHESIS OF 6-ARYL-9-(3-PYRIDYL) [1,2,4] TRIAZOLO [4,3-a] [1,8] NAPHTHYRIDINES USING FeCl3 center dot 6H(2)O IN THE SOLID STATE AND THEIR BIOLOGICAL... GREEN SYNTHESIS OF 6-ARYL-9-(3-PYRIDYL) [1,2,4] TRIAZOLO [4,3-a] [1,8] NAPHTHYRIDINES USING FeCl3 center dot...