362. 1-(3-Ethyl-5,5,8,8-tetramethyl-5,6,7,8-tetrahydro-2-naftyl) ethan-1-on**, nebo 7-acetyl-6-ethyl-1,1,4,4-tetramethyl-1,2,3,4-tetrahydronaftalen;
3'-Ethyl-5',6',7,8'-tetrahydro-5',6',8',8'-tetramethyl-2'-acetona phthone or 1,1,4,4-tetramethyl-6-ethyl-7-acetyl-1,2,3,4-tetrahydro-naphtalen e (acethyl ethyl tetramethyl tetralin, AETT)***