1,1'-azobis(N,N-dimethylformamide)1,1'-azobis(N,N-dimethylformamide)3-(N,N-dimethylcarbamoylimido)-1,1-dimethylureaDiamideN,N,N',N'-tetramethylazobisformamideN,N,N',N'-tetramethylazodicarboxamideN,N,N',N'-tetramethylazoformamideTMADazodicarboxylic acid bis-dimethylamidediazenedicarboxylic acid bis(N,N-dimethylamide)tetramethyldiazenedicarboxamide