ethyl 6-(4-methoxymethoxyphenyl)-5-(N-methyl-N-methylsulfonylaminomethyl)-1-(2-methylthiobenzyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno<2,3-d>pyrimidine-3-acetate

{6-(4-Methoxymethoxy-phenyl)-1-(2-methylsulfanyl-benzyl)-2,4-dioxo-5-[(propane-1-sulfonylamino)-methyl]-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl}-acetic acid ethyl ester

[5-(Butyrylamino-methyl)-6-(4-methoxymethoxy-phenyl)-1-(2-methylsulfanyl-benzyl)-2,4-dioxo-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester

ethyl 5-(3-ethylureidomethyl)-6-(4-methoxymethoxyphenyl)-1-(2-methylthiobenzyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno<2,3-d>pyrimidine-3-acetate

[6-(4-Methoxymethoxy-phenyl)-1-(2-methylsulfanyl-benzyl)-2,4-dioxo-5-(pentanoylamino-methyl)-1,4-dihydro-2H-thieno[2,3-d]pyrimidin-3-yl]-acetic acid ethyl ester