21582-36-5 3738-00-9 Dodecahydro-3a,6,6,9a-tetramethylnaphtho(2,1-b)furan Dodecahydro-3a,6,6,9a-tetramethylnaphtho(2,1-beta)furan Dodecahydro-3a,6,6,9a-tetramethylnaphto(2,1-b)furan Dodecahydrotetramethyl naphthofuran EINECS 223-118-6 FEMA No. 3471 Naphtho(2,1-b)furan, dodecahydro-3a,6,6,9a-tetramethyl- Tetramethyl-perhydronaphthofuran