(2,6-Difluoro-sulfonated)-tetraaryl porphyrin AIDS-165091 AIDS165091 TPP(2,6-F2)S [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(difluorobenzenesulfonic acid)