2,7,12,17-Tetrakis(1-methylpyridinium-4-yl)-21,22,23,24-tetraazoniapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1(21),2,4,6,8(23),9,11,13,15,17,19-undecaene-, Zinc(II)- AIDS-157414 AIDS157414 NSC640187 (IODIDE SALT)