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system
What is the molecular formula of the molecule 9-(8-isocyanodibenzofuran-2-yl)carbazole;9-(8-isocyanodibenzofuran-4-yl)carbazole;9-(8-isocyanodibenzofuran-2-yl)carbazole-3-carbonitrile;9-(8-isocyanodibenzofuran-2-yl)carbazole-3,6-dicarbonitrile;9-(8-isocyanodibenzothiophen-4-yl)carbazole-3-carbonitrile;6-isocyano-9-(8-isocyanodibenzothiophen-4-yl)carbazole-3-carbonitrile ?
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C156H78N18O4S2
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