[(2E)-3-methoxy-1-methylprop-2-en-1-ylidene]malononitrile

2-(4,4-dimethoxybutan-2-ylidene)propanedinitrile

4,4-二甲氧基-2-丁酮

丙二腈

1,1-dicyano-4-methoxy-2-methyl-1,3-butadiene