Maleonitrile (source code)

= Maleonitrile
{title2=$(Z)\text{-}\mathrm{NCCH{=}CHCN}$}

The Z isomer of $\mathrm{NCCH{=}CHCN}$. A stereospecific Diels–Alder reaction retains the cis relationship between its two <nitrile> substituents.