4-methylamino-N-methyl-1,8-naphthalic imide

1-(2-cyanoethyl)-1-methyl-3-phenylurea

N-(2-氰基乙基)-N-甲基硫脲

3-[(5,5-dimethyl-3-oxocyclohexen-1-yl)methylamino]propanenitrile

3-(4-chlorophenyl)-1-(2-cyanoethyl)-1-methylurea