1-Isopropyl-4-methylbicyclo(3.1.0)hexan-3-one 1125-12-8 3-Thujanone (8CI) Bicyclo(3.1.0)hexan-3-one, 4-methyl-1-(1-methylethyl)- Chrysanthone EINECS 214-405-7 NSC 407281 Tanacetone beta-Thujone