1,3-Di(4-((p-Isocyanatophenyl)methyl)phenyl)-4-((4-((p-isocyanatophenyl)methyl)phenyl)imino)-2-uretidinone 1,3-Diazetidin-2-one, 1,3-bis(4-((4-isocyanatophenyl)methyl)phenyl)-4-((4-((4-isocyanatophenyl)methyl)phenyl)imino)- 31107-36-5 4-((p-(p-Isocyanatobenzyl)phenyl)imino)-2-oxo-1,3-diazetidine-1,3-diylbis(p-phenylenemethylene-p-phenylene) diisocyanate EINECS 250-470-8