1635-65-0 AIDS-125020 AIDS125020 NSC58914 N~2~,N~2~,N~4~,N~4~,N~6~,N~6~,N~8~,N~8~-Octamethyl-1,3,5,7,2.lambda.~5~,4.lambda.~5~,6.lambda.~5~,8.lambda.~5~-tetraazatetraphosphocine-2,2,4,4,6,6,8,8-octamine