(2alpha,4aalpha,8alpha)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one 1,3,4,6,7,8a-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanophtalen-8(5H)-one + epimer 29461-14-1 2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2alpha,4aalpha,8alpha)- EINECS 249-649-3 Isolongifolene ketone exo