by gas chromatography-mass spectrometry using ( 2 ) h-labeled compounds , the following cytokinins were identified in the basic fraction eluting from a cation exchange column : zeatin , zeatin riboside , dihydrozeatin , dihydrozeatin riboside , their corresponding o-glucosides , 7- and 9-glucosides of zeatin , 9-glucoside of dihydrozeatin , isopentenyladenine , and isopentenyladenosine .
C0010815
cytokinins
C0043456
zeatin