4,4'-Dimethyl-3,3'-dinitroazoxybenzene 5679-89-0 Bis(4-methyl-3-nitrophenyl)diazene 1-oxide CCRIS 4408 Diazene, bis(4-methyl-3-nitrophenyl)-, 1-oxide p,p'-Azoxytoluene, 3,3'-dinitro-