(4-Chloro-sulfonated)-tetraaryl porphyrin AIDS-165096 AIDS165096 TPP4ClS [21,22,23,24-Tetraazapentacyclo[16.2.1.13,6.18,11.113,16]tetracosa-1(21),2,4,6,8(23),9,11,13,15,17,19-undecaene-2,7,12,17-tetrayl]tetrakis(chlorobenzenesulfonic acid)