(1R)-2,2,7,7-Tetramethyltricyclo[6.2.1.01.6]undec-5-ene, iso-Longifolene, EINECS 214-494-2, trans-Isolongifolene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyI-2H-2,4a-methanonaphthalene, 2H-2,4a-Methanonaphthalene, 1,3,4,5,6,7-hexahydro-1,1,5,5-tetramethyl-, (2S)-