ethyl 3-amino-2-cyano-3-phenylprop-2-enoate

6-氨基-2-苯基-4(3H)-嘧啶酮

4-methoxy-5-methyl-7-oxofuro[3,2-g]chromene-6-carbonitrile

N-烯丙基-2-氰基-乙酰胺

4-氨基-1-甲基-5H-苯并吡喃并[3,4-c]吡啶-5-酮