5(ili 6)-tert-butil-2'-klor-6'-etil-amino-3',7'-dimetilspiro(izobenzofuran-1(1H),9'-ksanten)-3-on
reaktionsblandning av: (1R*, 2S*)-2-acetyl-1,2,3,4,5,6,7,8-oktahydro-1,2,8,8-tetrametylnaftalen; (2R*, 3S*)-2-acetyl-1,2,3,4,5,6,7,8-oktahydro-2,3,8,8-tetrametylnaftalen