1,4,7,9b-Tetraazaphenalene, dodecahydro-1,4,7-tris(p-bromophenylcarbamoyl)- 1,4,7-Tris(p-bromophenylcarbamoyl)dodecahydro-1,4,7,9b-tetraazaphenalene 23352-39-8 BRN 1202045