Also Called: N,N'-(3,3'-dimethylbiphenyl-4,4'-ylene)di(acetoacetamide);Butanamide, N,N'-(3,3'-dimethyl[1,1'- biphenyl]-4,4'-diyl)bis[3-oxo-;N,N'-(3,3'-Dimethylbiphenyl-4,4'-ylen)di(acetoacetamid);Butanamide, N,N'-(3,3'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis[3-oxo-