N2,N4,N6,N8,N'2,N'4,N'6,N'8-OCTAMETHYL-2.LAMBDA.5,4.LAMBDA.5,6.LAMBDA.5,8.LAMBDA.5-1,3,5,7,2,4,6,8-TETRAZATETRAPHOSPHOCINE-2,2,4,4,6,6,8,8-OCTAMINE
n2,n4,n6,n8,n'2,n'4,n'6,n'8-octamethyl-2.lambda.5,4.lambda.5,6.lambda.5,8.lambda.5-1,3,5,7,2,4,6,8-tetrazatetraphosphocine-2,2,4,4,6,6,8,8-octamine