(3-alpha,6-beta,14R)Grayanotoxane-3,5,6,10,14,16-hexol 3-Epigrayanotoxin III 3-epi-Grayanotoxin III 30460-38-9 Grayanotoxane-3,5,6,10,14,16-hexol, (3-alpha,6-beta,14R)-