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What is the molecular formula of the molecule identified by 2-[(E)-2-(3,4-dimethylphenyl)ethenyl]-1H-benzimidazole;2-[(E)-2-(3,4-dimethylphenyl)ethenyl]-3,1-benzoxazin-4-one;2-[(E)-2-(3,4-dimethylphenyl)ethenyl]pyrido[2,3-d][1,3]oxazin-4-one;2-[(E)-2-(3-methyl-4-prop-2-ynoxyphenyl)ethenyl]-3,1-benzoxazin-4-one ?
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C126H105N9O13
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