7-(1,1-Dimethylethyl)-6-[(1-ethyl-1H-1,2,4-triazol-5-yl)methoxy]-3-(2-fluorophenyl)-1,2,4-triazolo[4,3-b]pyridazine

7-tert-Butyl-6-[(1-ethyl-1H-1,2,4-triazol-5-yl)methoxy]-3-(2-fluorophenyl)[1,2,4]triazolo[4,3-b]pyridazine