Thieno[2,3-d]pyrimidine-3(2H)-acetic acid, 6-bromo-1,4-dihydro-1-[(4-methoxyphenyl)methyl]-α,α,5-trimethyl-2,4-dioxo-, 1,1-dimethylethyl ester
Thieno[2,3-d]pyrimidine-3(2H)-acetic acid, 6-bromo-1,4-dihydro-1-[(4-methoxyphenyl)methyl]-α,α,5-trimethyl-2,4-dioxo-, 1,1-dimethylethyl ester