N,N‘-Bis(1-butylpentyl)-3,4:9,10-perylenebis(dicarboximide); 2,9-bis-(1-butylpentyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone; 2,9-bis-(5-nonyl)anthra[2,1,9-def;6,5,10-d‘e‘f‘]diisoquinoline-1,3,8,10(2H,9H)-tetraone, RN 110613-98-4:
M.p. 268C, bright red crystals. UV (CHCl3): λmax (ε) = 458 nm (18660), 488.5 (51640), 524.5 (85510). C42H46N2O4 (642.8) calcd. C 78.47, H 7.21, N 4.36; found C 78.58, H 7.13, N 4.18.

References, RN 110613-98-4:

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