Question: Propose a structure for an aromatic hydrocarbon, C 11 H 16 that has the following 13 C NMR spectral data: Broadband-decoupled 13 C NMR: 29.5,

Propose a structure for an aromatic hydrocarbon, C11H16 that has the following 13C NMR spectral data:

Broadband-decoupled 13C NMR: 29.5, 31.8, 50.2, 125.5, 127.5, 130.3, 139.8 δ

DEPT-90: 125.5, 127.5, 130.3 δ

DEPT-135: positive peaks at 29.5, 125.5, 127.5, 130.3 δ; negative peak at 50.2 δ

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