1 0RO 4-[4-(5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-yl)piperazin-1-yl]-6-propylthieno[2,3-D]pyrimidine 1.000 2 59X 4-[4-(5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-yl)piperazin-1-yl]-6-(2-fluoroethyl)thieno[2,3-D]pyrimidine 0.923 3 5A0 6-(2,2-difluoroethyl)-4-[4-(5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-yl)piperazin-1-yl]thieno[2,3-D]pyrimidine 0.889 4 0RT 4-[4-(5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-yl)piperazin-1-yl]-6-(2,2,2-trifluoroethyl)thieno[2,3-D]pyrimidine 0.857 5 5A1 4-[4-(5,5-dimethyl-4,5-dihydro-1,3-thiazol-2-yl)piperazin-1-yl]-6-(pentafluoroethyl)thieno[2,3-D]pyrimidine 0.800 6 59K 4-[4-(5-methyl-1,3,4-thiadiazol-2-yl)piperazin-1-yl]-6-(2,2,2-trifluoroethyl)thieno[2,3-D]pyrimidine 0.759 7 59M 4-{4-[5-(fluoromethyl)-1,3,4-thiadiazol-2-yl]piperazin-1-yl}-6-(2,2,2-trifluoroethyl)thieno[2,3-D]pyrimidine 0.733 8 59Q 4-{4-[5-(difluoromethyl)-1,3,4-thiadiazol-2-yl]piperazin-1-yl}-6-(2,2,2-trifluoroethyl)thieno[2,3-D]pyrimidine 0.710