cis-2-tert-Butyl-2-butenedinitrile (CAS NO.169309-80-2), its Synonyms are 2-Butenedinitrile,2-(1,1-dimethylethyl)-, (2Z)- ; 2-Butenedinitrile,2-(1,1-dimethylethyl)-, (Z)- ; cis-1,2-Dicyano-3,3-dimethyl-1-butene .