Synonyms: Anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone, 2,9-dioctyl-, 2,9-Dioctylanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone; N,N'-Dioctyl-3,4,9,10-perylenedicarboximide; N,N'-Dioctyl-3,4,9,10-perylenetetracarboxylic diimide; N,N'-Dioctylperylenetetracarboxylic diimide; PTCD 1C8; PTCDI-C 8