1,1'-(2,2,4-Trimethylhexane-1,6-diyl)bis-1H-pyrrole-2,5-dione 1H-Pyrrole-2,5-dione, 1,1'-(2,2,4-trimethyl-1,6-hexanediyl)bis- 39979-46-9 EINECS 254-730-1