<chemical> A spiro butyrophenone analog similar to haloperidol and other related compounds. It has been recommended in the treatment of schizophrenia. ... Pharmacological action: antipsychotic agents, butyrophenone, dopamine antagonists. ... Chemical name: 1,3,8-Triazaspiro(4.5)decan-4-one, 8-(4-(4-fluorophenyl)-4-oxobutyl)-1-phenyl- ... (12 ...