2-氨基-4,5,6,7-四氢噻吩并[2,3-C]吡啶-3-羧酸乙酯

4-amino-2-nonylchromeno[3,4-c]pyridin-5-one

2-(phenylhydrazinylidene)acetonitrile

四氢-2-氧代-3-呋喃甲腈

diethyl 3-amino-2-cyanopent-2-enedioate