AIDS-072103 AIDS072103 N-(4,8-Diphosphono(2-naphthyl))[4-({4-[(4-{[(5-{N-[5-(N-{5-[N-(4,8-diphosphono(2-naphthyl))carbamoyl]-1-methylpyrrol-3-yl}carbamoyl)-1-methylpyrrol-3-yl]carbamoyl}-1-methylpyrrol-3-yl)amino]carbonylamino}-1-methylpyrrol-2-yl)carbonylamino]-1-methylpyrrol-2-yl}carbonylamino)-1-methylpyrrol-2-yl]carboxamide, tetrasodium salt NSC670887