Synonyms: 1H-Imidazole,2,2'-[azobis(1-methylethylidene)]bis[4,5-dihydro- (9CI);2-Imidazoline, 2,2-(azodiisopropylidene)di-(7CI);Imidazole, 2,2'-(azodiisopropylidene)bis[4,5-dihydro- (8CI);2,2'-Azobis[2-(2-imidazolin-2-yl)propane];Azobis(N,N'-dimethyleneisobutylamidine);Azobis-N,N'-dimethyleneisobutyroamidine;NSC 668414;VA 061;