InChI=1/C8H11F3NO5PS/c1-16-18(13,17-2)7-3-5-12(6-4-7)19(14,15)8(9,10)11/h3-7H,1-2H dimethyl {1-[(trifluoromethyl)sulfonyl]-1,4-dihydropyridin-4-yl}phosphonate phosphonic acid, [1,4-dihydro-1-[(trifluoromethyl)sulfonyl]-4-pyridinyl]-, dimethyl ester