Pigment violet 2981-33-4100 % similar Naphthalimide81-83-461 % similar Phthalimide85-41-655 % similar 4-Aminophthalimide3676-85-550 % similar 5H-Pyrrolo[3,4-B]pyridine-5,7(6H)-dione4664-00-043 % similar Perylenetetracarboxylic dianhydride128-69-842 % similar 3-Aminophthalimide2518-24-341 % similar Pigment red 1795521-31-339 % similar 1,4,5,8-Naphthalenetetracarboxylic acid128-97-239 % similar 3-Nitrophthalimide603-62-336 % similar Tetrachlorophthalimide1571-13-735 % similar Violanthrone116-71-233 % similar Isoviolanthrone128-64-333 % similar Pigment red 1494948-15-633 % similar Naphtholactam130-00-732 % similar 1,4-Naphthalenedicarboxylic acid605-70-931 % similar Pigment red 1906424-77-731 % similar Naphthalenetetracarboxylic dianhydride81-30-130 % similar