4-Methoxy-2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidine AIDS-148066 AIDS148066 Methyl 2-methyl-5,6,7,8-tetrahydro[1]benzothieno[2,3-d]pyrimidin-4-yl ether NSC679224