(2alpha,4aalpha,8beta)-Hexahydro-1,1,5,5-tetramethyl-2H-2,4a-methanonaphthalen-8(5H)-one 29461-13-0 2H-2,4a-Methanonaphthalen-8(5H)-one, hexahydro-1,1,5,5-tetramethyl-, (2alpha,4aalpha,8beta)- EINECS 249-648-8