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system
Provide the molecular formula for the IUPAC named substance 5-bromo-2,7-ditert-butyl-9,9-dimethylxanthene-4-carbaldehyde;2-[(5-bromo-2,7-ditert-butyl-9,9-dimethylxanthen-4-yl)-(1H-pyrrol-2-yl)methyl]-1H-pyrrole;1H-pyrrole;trichloroindigane .
user
C60H71Br2Cl3InN3O3
assistant