Synonyms: Dinaphtho[2,3-a:2',3'-i]naphth[2',3':6,7]indolo[2,3-c]carbazole-5,10,15,17,22,24-hexone,19-(2-benzoxazolyl)-16,23-dihydro- (7CI);Naphth[2',3':6,7]indolo[2,3-c]dinaphtho[2,3-a:2',3'-i]carbazole-5,10,15,17,22,24-hexone,19-(2-benzoxazolyl)-16,23-dihydro- (9CI)