for the following products
Ethanone, 1-(2,5-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)-1-(2,5-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone,1-(2,5-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone and 1-(2,5-Difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone
