2-(Difluoromethoxy)-3-nitro-5-(2,3,5-trichlorophenyl)pyridine
2-(Difluoromethoxy)-4-methyl-5-(2,3,6-trichlorophenyl)pyridine
2-(Difluoromethoxy)-4-methyl-5-(2,3,5-trichlorophenyl)pyridine
2-(Difluoromethoxy)-3-methyl-5-(2,3,6-trichlorophenyl)pyridine