5HHZ:
reference: Cytokinin metabolism in maize: Novel evidence of cytokinin abundance, interconversions and formation of a new trans-zeatin metabolic product with a weak anticytokinin activity., Hluska T, Dobrev PI, Tarkowska D, Frebortova J, Zalabak D, Kopecny D, Plihal O, Kokas F, Briozzo P, Zatloukal M, Motyka V, Galuszka P, Plant Sci. 2016 Jun;247:127-37. doi: 10.1016/j.plantsci.2016.03.014. Epub 2016, Mar 29. PMID: 27095406

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