1,3-Naphthalenedisulfonic acid, 7,7'-[carbonylbis[imino(1-methyl-1H-pyrrole-4,2-diyl)carbonylimino(1-methyl-1H-pyrrole-4,2-diyl)carbonylimino]]bis- 136714-83-5 (TETRAPOTASSIUM SALT) AIDS-016436 AIDS016436 NSC645793 (TETRAPOTASSIUM SALT) PNU 145156E PNU-145156E