Synonyms: 1,3,8-Triazaspiro[4.5]decan-4-one,8-[4-(4-fluorophenyl)-3-pentenyl]-1-phenyl- (9CI);1,3,8-Triazaspiro[4.5]decan-4-one, 8-[4-(p-fluorophenyl)-3-pentenyl]-1-phenyl-(7CI,8CI);8-[4-(p-Fluorophenyl)-3-pentenyl]-1-phenyl-1,3,8-triazaspiro[4,5]decan-4-one;Isospirilene;R 6109;Spirilene;