107812-58-8 Benzoic acid, 4-methoxy-, decahydro-7-hydroxy-1,1,7-trimethyl-4-methylene-1H-cycloprop(e)azulen-2-yl ester, (1aR-(1aalpha,2alpha,4aalpha,7beta,7abeta,7balpha))- Guayulin D Guayulin-D