4-((4-(4-羟基二苯甲基)-1-哌啶基)-1-氧代丁基)-a,a-二甲基苯乙酸

4-(4-羟基联苯甲基)哌啶-1-氧代丁基-2,2-二甲基苯乙酸甲酯

N-methoxy-N-methyl-2-(4-{1-hydroxy-4-[4-(hydroxy-diphenylmethyl)-piperidine-1-yl]-butyryl}-phenyl)-isobutyramide

α,α-二苯基-4-哌啶甲醇

2-(4-(4-(4-(hydroxydiphenylmethyl)piperidin-1-yl)-1,1-dimethoxybutyl)phenyl)-2-methyl-propanoic acid