A method of controlling agricultural fungal pathogens, the method comprising administering to a plant, a seed or soil a composition comprising a fungicidal compound selected from the group consisting of: -ethyl-1-(2-(2-cyanoethoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(5-fluoro-2-methoxyphenyl)-2-(2-hydroxyethoxy)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -2-(1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(1H-pyrazol-1-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -2-(1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(2H-1,2,3-triazol-2-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -2-(1-(2-(2-cyano-2-methylpropoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(2H-1,2,3-triazol-2-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -ethyl-1-(2-(2-cyanoethoxy)-2-(5 -fluoro-2-methoxyphenyl)ethyl)-3 -( -1 - (isopropylamino)-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-3-(1-(ethylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-3-(1-(ethylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; or a salt thereof. -ethyl-1-(2-(2-cyanoethoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(5-fluoro-2-methoxyphenyl)-2-(2-hydroxyethoxy)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -2-(1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(1H-pyrazol-1-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -2-(1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(2H-1,2,3-triazol-2-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -2-(1-(2-(2-cyano-2-methylpropoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-5-methyl-2,4-dioxo-6-(2H-1,2,3-triazol-2-yl)-1,4-dihydrothieno[2,3-d]pyrimidin-3 -yl)-N-isopropyl-2-methylpropanamide; -ethyl-1-(2-(2-cyanoethoxy)-2-(5 -fluoro-2-methoxyphenyl)ethyl)-3 -( -1 - (isopropylamino)-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(5-fluoro-2-methoxyphenyl)ethyl)-3-(1-(ethylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-3-(1-(isopropylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; -ethyl-1-(2-(2-cyanoethoxy)-2-(2-methoxyphenyl)ethyl)-3-(1-(ethylamino)-2-methyl-1-oxopropan-2-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxylate; or a salt thereof.