(3R-(3alpha,3Abeta,6alpha,7beta,8aalpha))-hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methanoazulen-5(4H)-one (3R-(3alpha,3abeta,6alpha,7beta,8aalpha))-Hexahydro-3,6,8,8-tetramethyl-1H-3a,7-methenoazulen-5(4H)-one 13794-73-5 1H-3a,7-Methanoazulen-5(4H)-one, hexahydro-3,6,8,8-tetramethyl-, (3R,3aR,6S,7S,8aS)- 3,6,8,8-Tetramethylhexahydro-1H-3a,7-methanoazulene-5(4H)-one EINECS 237-450-4