Synonyms: 2,4-DIPHENYL-5,6,7,8-TETRAHYDROCHROMENYLIUM TRIFLUOROMETHANE SULFONATE;2,4-DIPHENYL-5,6,7,8-TETRAHYDROCHROMENYLIUM TRIFLUOROMETHANESULPHONATE;2,4-DIPHENYL-5H,6H,7H,8H-CHROMENIUM TRIFLUOROMETHANESULFONATE;2,4-Diphenyl-5,6,7,8-tetrahydrochromenylium trifluoromethanesulphonate, tech;2,4-Diphenyl-5,6,7,8-tetrahydrochromenyliumtriflate;2,4-DIPHENYL-5,6,7,8-TETRAHYDROCHROMENYLIUM TRIFLUOROMETHANESULFONATE: TECH.