Thus, for both (+)- and (-)- carvone, the infrared, nuclear magnetic resonance spectra, the gas chromatographic retention times, the refractive indexes, and the boiling points should be identical.

• 因此，(+)-和(-)-的香芹酮的红外，核磁共振光谱，气相色层分析的保留时间，折光率和沸点应该是完全相同的。