25491-20-7;19078-35-4;Patchoulane;1H-3a,7-Methanoazulene, octahydro-1,4,9,9-tetramethyl-, (1.alpha.,3a.alpha.,4.beta.,7.alpha.,8a.beta.)-;Isopatchoulane;OCTAHYDRO-1,4,9,9-TETRAMETHYL-(1H)3A,7-METHANOA*;1H-3a,7-Methanoazulene, octahydro-1,4,9,9-tetramethyl-;Patchulane