Assertion: coca plant's cocaine | /r/HasProperty | comparison of mass spectra
Facets:
Source sentences:
text: Cocaine and cinnamoyl cocaine were identified by comparison of retention times and UV spectra with those of commercial standards (Sigma Chemical, St. Louis, MO, USA), and by comparison of mass spectra by liquid-chromatography-mass spectrometry on a Bruker Esquire 6000 ion trap instrument (Bruker Daltonics, Bremen, Germany).
text: Cocaine and cinnamoyl cocaine were identified by comparison of retention times and UV spectra with those of commercial standards (Sigma Chemical, St. Louis, MO, USA), and by comparison of mass spectra by liquid-chromatography-mass spectrometry on a Bruker Esquire 6000 ion trap instrument (Bruker Daltonics, Bremen, Germany).