2,4-二氨基-6-硝基甲苯

2-amino-5-cyano-4,4-dimethyl-6-oxo-3,5-dihydropyridine-3-carboxamide

4,4-二甲基-2,6-二氧代哌啶-3,5-二甲腈

ethyl (Z)-2-cyano-3-piperidin-1-ylprop-2-enoate

1-[(4-bromophenyl)sulfanylmethyl]piperidine