2-(2-Iodo-4-(trifluoromethyl)pyridin-5-yl)-2-hydroxyacetic acid
2-(3-Iodo-5-(trifluoromethyl)pyridin-2-yl)-2-hydroxyacetic acid
2-(2-Iodo-3-(trifluoromethyl)pyridin-6-yl)-2-hydroxyacetic acid
2-(2-Iodo-3-(trifluoromethyl)pyridin-4-yl)-2-hydroxyacetic acid