Synonyms: Butylisocyanide, 1,1,3,3-tetramethyl- (7CI,8CI); 1,1,3,3-Tetramethylbutylisocyanide; 1,1,3,3-Tetramethylbutyl isonitrile; 2-Isocyano-2,4,4-trimethylpentane;NSC 141688; Reagents, Walborsky's; Walborsky's reagent; tert-Octyl isocyanide;tert-Octyl isonitrile