10-Deoxygrayanotoxin III 38776-77-1 7,9a-Methano-9aH-cyclopenta(b)heptalene-2,8,11,11a,12(1H)-pentol, dodecahydro-1,1,4,8-tetramethyl-, (2S,3as,4R,4ar,7R,8R,9as,11R,11aR,12R)- Grayanotoxane-3,5,6,14,16-pentol, (3-beta,6-beta,14R)-