SEARCH Articles Figures Tables 1.2.3.4- Tetrahydropyrimidine derivative 2,2 -bi-l,2,3,4-tetrahydropyrimidine 2- Methyl- A -tetrahydropyrimidine 2-Thioxo tetrahydropyrimidin-4- -ones, ionic 5- tetrahydropyrimidine-4,6-dione A’-Tetrahydropyrimidine Tetrahydropyrimidine synthesis Tetrahydropyrimidines Tetrahydropyrimidines Tetrahydropyrimidines, synthesis