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system
For the molecule named 2-[2,4-dimethyl-5-(2-methylpropyl)-9H-fluoren-1-yl]-1,4,5-trimethylpyridin-1-ium;2-(2,4-dimethyl-6-propan-2-yl-9H-fluoren-1-yl)-1,4,5-trimethylpyridin-1-ium;2-(2,4-dimethyl-7-propan-2-yl-9H-fluoren-1-yl)-1,4,5-trimethylpyridin-1-ium;2-(2,4-dimethyl-8-propan-2-yl-9H-fluoren-1-yl)-1,4,5-trimethylpyridin-1-ium by IUPAC nomenclature, provide its molecular formula.
user
C105H122N4+4
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