1,4-二苯基-3-甲基吖丁啶-2-酮

methyl 3-anilino-2-methyl-3-phenylpropanoate

methyl 2-methyl-3-(phenylmethoxyamino)propanoate

1,4-二苯基-3,3-二甲基氮杂环丁烷-2-酮

methyl 2,2-dimethyl-3-phenyl-3-(phenylamino)propanoate