Grayanotoxins are a group of closely related neurotoxins named after Leucothoe grayana, a plant native to Japan originally. Extract from leaves Leucothoe grayana (Ericaceae). References: Hwang T, Noh E, Jeong JH, Park SK, Shin D, Kang H. Determination of Grayanotoxins from Rhododendron brachycarpum in Dietary Supplements and Homemade Wine by Liquid Chromatography-Quadrupole Time-of-Flight-Mass Spectrometry and Liquid Chromatography-Tandem Mass Spectrometry. J Agric Food Chem. 2018 Feb 28;66(8):1935-1940. doi: 10.1021/acs.jafc.7b05054. Epub 2018 Feb 20. PubMed PMID: 29433311.

纯度：≥98%

CAS：4678-45-9