(11C)-N-Methylspiperone 1,3,8-Triazaspiro(45)decan-4-one, 8-(4-(4-fluorophenyl)-4-oxobutyl)-3-(methyl-11C)-1-phenyl- 144398-45-8 8-(3-(p-Fluorobenzoyl)propyl)-3-((sup 11)C)methyl-1-phenyl-1,3,8-triazaspiro(4.5)decan-4-one. 94153-50-1 Mespiperone C 11 Mespiperone C 11 [USAN]