Synonyms: 1H-Indole-2-methanaminium, 5,5'-methylenebis(N,N,N-trimethyl-, bis(methyl sulfate);2,2'-Di(trimethylammoniummethyl)-bis(5-indolyl)methane dimethylsulfate;5,5'-Methylenebis(N,N,N-trimethyl-1H-indole-2-methanaminium) bis(methyl sulfate);90094-62-5;AC1L1KAC;LS-83174;[methanediylbis(1H-indole-5,2-diyl)]bis(N,N,N-trimethylmethanaminium) bis(methyl sulfate);methyl sulfate; trimethyl-[[5-[[2-[(trimethylazaniumyl)methyl]-1H-indol-5-yl]methyl]-1H-indol-2-yl]methyl]azanium