5-phenylthieno[2,3-d]pyriMidin-4-ol

5-Phenylthieno[2,3-d]pyrimidin-4(1H)-one

5-Phenylthieno[2,3-d]pyriMidin-4(3H)-one

7-phenyl-9-thia-2,4-diazabicyclo[4.3.0]nona-2,7,10-trien-5-one