105375-28-8 3H-Pyrazol-3-one, 4,4'-((3,3'-dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-phenyl- 4,4'-((3,3'-Dimethoxy(1,1'-biphenyl)-4,4'-diyl)bis(azo))bis(2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one) 6505-29-9 74415-32-0 EINECS 229-389-7