(11C)Butylthio-tztp 131987-16-1 3-(3-Butylthio-1,2,5-thiadiazol-4-yl)-1,2,5,6-tetrahydro-1-methylpyridine Butylthio-tztp Pyridine, 3-(4-(butylthio)-1,2,5-thiadiazol-3-yl)-1,2,5,6-tetrahydro-1-methyl-