Synonyms: Isocyanicacid, tetraester with 4,4'-benzylidenebis[6-methylresorcinol] (8CI);Resorcinol, 4,4'-benzylidenebis[6-methyl-, tetraisocyanate;3,3'-Dimethyltriphenylmethane 4,4',6,6'-tetraisocyanate;5,5'-Dimethyltriphenylmethane-2,2',4,4'-tetraisocyanate;Bis(4,6-diisocyanato-3-methylphenyl)phenylmethane