2-(2-amino-3-cyano-8-methoxy-4H-chromen-4-yl)propanedinitrile

2-(3-amino-2-cyano-1H-benzo[f]chromen-1-yl)propanedinitrile

2-amino-6-methyl-4-propan-2-yl-4H-pyran-3,5-dicarbonitrile

2-amino-6-phenyl-4-propan-2-yl-4H-pyran-3,5-dicarbonitrile

5-乙酰基-2-氨基-6-甲基-4-苯基-4H-吡喃-3-甲腈