(2R,4S)-1-{N-(3-acetoxypropyl)-N-(3,5-bistrifluoromethylbenzyl)}aminocarbonyl-2-(4-fluoro-2-methylphenyl)-4-acetylthiopiperidine 生成
(2R,4S)-1-{N-(3,5-bistrifluoromethylbenzyl)-N-hydroxypropyl}aminocarbonyl-2-(4-fluoro-2-methylphenyl)-4-(2-propylthio)piperidine