(9R)-9-(4-fluoro-3-iodophenyl)-2,3,5,9-tetrahydro-4H-pyrano(3,4-b)thieno(2,3-e)pyridin-8(7H)-one-1,1-dioxide
(9r)-9-(4-fluoro-3-iodophenyl)-2,3,5,9-tetrahydro-4h-pyrano(3,4-b)thieno(2,3-e)pyridin-8(7h)-one-1,1-dioxide