4,4',4''-(1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8-triyl)tris-Benzoic acid

4,4',4''-(1,3,4,6,7,9,9b-heptaazaphenalene-2,5,8-triyl)tris-Benzoic acid · CAS 881735-82-6