79927-75-6

2,6-Dimethylthieno[2,3-d]pyrimidin-4-ol 2,6-Dimethylthieno[2,3-d]pyrimidin-4(3H)-one 2,6-dimethyl-3H,4H-thieno[2,3-d]pyrimidin-4-one Thieno[2,3-d]pyrimidin-4(1H)-one, 2,6-dimethyl-