132605-27-7 3-Ethyl-1,2,3,5,6,7,8,9-octahydro-2-thioxo-4H-cyclohepta(4,5)thieno(2,3-d)pyrimidin-4-one 4H-Cyclohepta(4,5)thieno(2,3-d)pyrimidin-4-one, 1,2,3,5,6,7,8,9-octahydro-3-ethyl-2-thioxo- BRN 4192893