(This course encompasses various techniques in molecular spectroscopy such as infrared, visible and ultraviolet spectroscopy, nucleus magnetic resonance and mass spectrometry. Structure elucidation based on spectroscopic data also been emphasized.)((This course encompasses various techniques in molecular spectroscopy such as infrared, visible and ultraviolet spectroscopy, nucleus magnetic resonance and mass spectrometry. Structure elucidation based on spectroscopic data also been emphasized.))