Synonyms: 1H,5H,11H,15H-Xantheno[2,3,4-ij:5,6,7-i'j']- diquinolizin-18-ium,9-[2(or 4)-(chlorosulfonyl)-4(or 2)-sulfophenyl]-2,3,6,7,12,13,16,17-octahydro-,inner salt;Texas red;1H,5H,11H,15H-Xantheno(2,3,4-ij:5,6,7-ij)diquinolizin-18-ium, 9-(2(or 4)-(chlorosulfonyl)phenyl)-2,3,6,7,12,13,16,17-octahydro-;Texas pepper virusTexas Red;5-(Chlorosulfonyl)-2-(1H,2H,3H,5H,6H,7H,11H,12H,13H,15H,16H,17H-pyrido[3,2,1-ij]quinolizino[1',9':6,7,8]chromeno[2,3-f]quinolin-4-ium-9-yl)benzenesulfonate;