1,4,7,9b-Tetraazaphenalene-1,4,7(2H,5H,8H)-tricarboxamide, N,N',N''-tris(2-chlorophenyl)hexahydro- (9CI) 1,4,7,9b-Tetraazaphenalene-1,4,7(2H,5H,8H)-tricarboxanilide, 2',2'',2'''-trichloro-3,3a,6,6a,9,9a-hexahydro- 74039-54-6 NSC 81460