6417-51-2 7,14-Diphenyldiindolo(3,2,1-de:3',2',1'-ij)(1,5)naphthyridine-6,13-dione Diindolo(3,2,1-de:3',2',1'-ij)(1,5)naphthyridine-6,13-dione, 7,14-diphenyl- EINECS 229-141-8