5,5'-(3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(1-(4-nitrophenyl)-3-phenylformazan) 63469-14-7 Diazene, 1,1'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(2-hydrazinyl-1-ylidene(phenylmethylidyne)))bis(2-(4-nitrophenyl)-