甲醛

丙二腈

1,1-二氰基乙基乙酸酯

6,7-dimethoxy-2-methyl-1,2,3,4-tetrahydroisoquinoline-1-carbonitrile

3-(2,2-bis(4-methoxyphenyl)vinyl)cyclobutane-1,1,2,2-tetracarbonitrile