ChemicalShiftsandSplittingPatterns ChemicalShift Problem 1 C3H4O CDCl3 13CNMR Problem 2 C8H12O2 150 50 10 Problem 3 C13H10O Problem 4 C6H10 Problem 5 C4H8O 150 50 10 Problem 7 C4H6O 20 150 Problem 9 C5H10O 1 2 1 2 2 2 13CNMR Problem 10 C8H8O3 CDCl3 照射3 91 7 40有NOE增益 13CNMR Problem 12 C5H14OSi CDCl3 2 2 9 C4H7OI CDCl3 C6H12O3 CDCl3 C9H10O2 CDCl3 C15H20O2 CDCl3 2 2 2 4 2 3 1 4 C9H13NO CDCl3
