4-(4-(difluoromethoxy)phenyl)pyrimidine-2-thiol
![106691-22-9 (6-methylthieno[2,3-d]pyrimidine)](https://i.ssjz8.com/upload/1/img1.baidu.com%2fit%2fu%3d4008847141%2c1456156048%26fm%3d26%26fmt%3dauto "pyrimidine,cytosine")
106691-22-9 (6-methylthieno[2,3-d]pyrimidine)
4-chloro-2-cyclopropyl-6-(4-fluorophenyl)pyrimidine
![5-methyl-2,3-dihydroimidazo[1,2-a]pyrimidine-6,7-diamine](https://i.ssjz8.com/upload/1/img1.baidu.com%2fit%2fu%3d1849544771%2c694702254%26fm%3d26%26fmt%3dauto "pyrimidine,cytosine")
5-methyl-2,3-dihydroimidazo[1,2-a]pyrimidine-6,7-diamine
![3-amino-5,7-dimethylisoxazolo[3,4-d]pyrimidine-4,6(5h,7h)-dione](https://i.ssjz8.com/upload/1/img2.baidu.com%2fit%2fu%3d1241253101%2c1002300632%26fm%3d26%26fmt%3dauto "pyrimidine,cytosine")
3-amino-5,7-dimethylisoxazolo[3,4-d]pyrimidine-4,6(5h,7h)-dione