3-benzyl-1-t-butoxycarbonylthymine

1-benzhydryl-3-benzylthymine

1,3-dibenzyl-5-methylpyrimidine-2,4(1H,3H)-dione

溴化苄

tert-butyl 5-methyl-2,4-dioxo-1,2,3,4-tetrahydro pyrimidine-1-carboxylate