1 DOJ N-{(3s,4s)-1-benzyl-3-[(1s)-1-hydroxyethoxy]piperidin-4-yl}-N'-[3-(trifluoromethyl)phenyl]urea 1.000 2 8Z7 N-(1-benzylpiperidin-4-yl)-N'-[3-(trifluoromethyl)phenyl]urea 0.871