7253-87-4 AIDS-125022 AIDS125022 NSC58926 N~2~,N~2~,N~4~,N~4~,N~6~,N~6~,N~8~,N~8~-Octapentyl-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