1434643-33-0

CPD2027 CS-B1628 ACN-053859 ND630 intermediate tert-butyl 2-(6-bromo-5-methyl-2,4-dioxo-1,2-dihydrothieno[2,3-d]pyrimidin-3(4H)-yl)-2-methylpropanoate tert-butyl 2-(6-bromo-5-methyl-2,4-dioxo-1,4-dihydrothieno[2,3-d]pyrimidin-3(2H)-yl)-2-methylpropanoate Thieno[2,3-d]pyrimidine-3(2H)-acetic acid, 6-bromo-1,4-dihydro-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-α,α,5-trimethyl-2,4-dioxo-, 1,1-dimethylethyl ester