1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy- 1,1'-Biphenyl, 4,4'-diisocyanato-3,3'-dimethoxy- (9CI) 3,3'-DIMETHOXYBENZIDINE-4,4'-DIISOCYANATE 3,3'-Dimethoxy-4,4'-biphenylene diisocyanate