2-ethylthieno[2,3-d]pyrimidin-4-ol

2-phenylthieno[2,3-d]pyrimidin-4-ol

2-methylthieno[2,3-d]pyrimidin-4-ol

thieno[2,3-d]pyrimidine-2,4-diol


4-chloro-2-ethylthieno[2,3-d]pyrimidine

4-chloro-2-phenylthieno[2,3-d]pyrimidine

4-chloro-2-methylthieno[2,3-d]pyrimidine


2,4,6-trimethylpyridin-3-amine
