(3R-(3alpha,3Abeta,6beta,7beta,8aalpha))-octahydro-6-methoxy-3,6,8,8-tetramethyl-1H-3a,7-methanoazulene 19870-74-7 1H-3a,7-Methanoazulene, octahydro-6-methoxy-3,6,8,8-tetramethyl-, (3R,3aS,6S,7R,8aS)- Cedramber Cedrol methyl ether EINECS 243-384-7