Synonyms: 3,4,9,10-Perylenetetracarboxylic3,4:9,10-diimide, N,N'-bis(p-ethoxyphenyl)- (8CI);3,4,9,10-Perylenetetracarboxylic bis[(p-ethoxyphenyl)imide];C.I. Pigment Red123;Indo Brilliant Scarlet;Indo Brilliant Scarlet Toner;Indofast BrilliantScarlet R 6300;Indofast Brilliant Scarlet R 6335;N,N'-Bis(4-ethoxyphenyl)-3,4,9,10-perylenetetracarboxylicdiimide;N,N'-Bis(p-ethoxyphenyl)perylene-3,4,9,10-tetracarboxylic3,4:9,10-diimide;Paliogen Red 3870;Paliogen Red K 3871;Paliogen Red L 3870;Paliogen Red L 3870HD;Perylene Red Toner;Sumitone Fast BrilliantRed 2B;