Do not include lone pairs in your answer. Please answer all questions correctly, thank you!

Draw the structure of the compound C8H100 that might exhibit the 13C-NMR spectrum below. Impurity peaks are omitted from the peak list. The triplet at 77 ppm is CDC13. Used with permission from Aldrich Chemical Co., Inc. Solvent CDCI Shift 158.9 129.3 120.5 114.4 63.2 14.8 u Huhu 225.0 187.2 36.2 -1.6 149.5 111.7 73.9 Chemical shift, 8 (ppm) Draw the structure of the compound C5H8O2 that might exhibit the 13C-NMR spectrum below. Impurity peaks are omitted from the peak list. The triplet at 77 ppm is CDC13. Used with permission from Aldrich Chemical Co., Inc. Solvent CDCI Shift 166.1 130.3 128.7 60.4 14.2 225.0 187.2 36.2 -1.6 149.5 111.7 73.9 Chemical shift, 8 (ppm) Draw the structure of the compound C8H80 that might exhibit the 13C-NMR spectrum below. Impurity peaks are omitted from the peak list. The triplet at 77 ppm is CDC13. Used with permission from Aldrich Chemical Co., Inc. Solvent CDCI Shift 197.9 137.1 133.0 128.5 128.2 26.5 225.0 187.2 149.5 111.7 73.9 36.2 -1.6 Chemical shift, 8 (ppm)