the principal biologically active cytokinins in xylem exudate of young phaseolus vulgaris l. plants were identified by bioassay , high-performance liquid chromatography , enzymic degradation and combined gas chromatography-mass spectrometry ( selected ion monitoring ) a zeatin riboside , zeatin nucleotide , dihydrozeatin riboside , dihydrozeatin nucleotide , o-glucosyl zeatin , o-glycosyl dihydrozeatin , o-glucosyl dihydrozeatin riboside , and o-glucosyl dihydrozeatin nucleotide .
C0010815
cytokinins
C0043456
zeatin