4,5-bis(3-nitroanilino)cyclopent-2-en-1-one

7-甲基-1-壬醇

4,5-二溴-2-呋喃羰酰氯

1,2-diamino-4-(furan-2-yl)-6-oxopyridine-3,5-dicarbonitrile

乙缩醛