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What is the molecular formula of the molecule 1,5-dimethyl-3-(2-methylphenyl)-2-(4-methylpyridin-3-yl)benzimidazol-1-ium;1,5-dimethyl-2-(4-methylpyridin-3-yl)-3-(2-propan-2-ylphenyl)benzimidazol-1-ium;3-(2,6-dimethylphenyl)-1,5-dimethyl-2-(4-methylpyridin-3-yl)benzimidazol-1-ium;3-[2,6-di(propan-2-yl)phenyl]-1,5-dimethyl-2-(4-methylpyridin-3-yl)benzimidazol-1-ium ?
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C96H104N12+4
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