30168-23-1 30218-89-4 30218-90-7 4-(Octahydro-4,7-methano-5H-inden-5-ylidene)butanal 4-(Tricyclo(5,2,1,02,6)decyliden-8)butanal 4-(Tricyclo(5.2.1.02,6)dec-8-ylidene)butyraldehyde 4-Tricyclo(5.2.1.0 decylidene-8)butanal 4-Tricyclodecylidene butanal Butanal, 4-(octahydro-4,7-methano-5H-inden-5-ylidene)- Dupical EINECS 250-078-7