benzyl 4-benzhydrylidenepiperidine-1-carboxylate

4-羟基二苯基甲基哌啶-1-羧酸苄酯

4-苯甲酰基哌啶盐酸盐

1-Piperidinecarboxylic acid, 4-benzoyl-4-phenyl-, phenylmethyl ester

4-氰基-4-苯基-1-对甲苯磺酰基哌啶