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system
Provide the molecular formula for the IUPAC named substance 2,7-dimethyl-8-(1-methyl-4-phenylpyridin-1-ium-2-yl)-[1]benzofuro[2,3-b]pyridine;8-(1,5-dimethyl-4-phenylpyridin-1-ium-2-yl)-2,7-dimethyl-[1]benzofuro[2,3-b]pyridine;7-methyl-8-(1-methyl-4-phenylpyridin-1-ium-2-yl)-5-(trideuteriomethyl)-[1]benzofuro[2,3-b]pyridine;7-methyl-8-[1-methyl-4-phenyl-5-(trideuteriomethyl)pyridin-1-ium-2-yl]-5-(trideuteriomethyl)-[1]benzofuro[2,3-b]pyridine .
user
C102H88N8O4+4
assistant