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. Author manuscript; available in PMC: 2008 Jan 31.
Published in final edited form as: J Comp Neurol. 2005 Mar 7;483(2):192–204. doi: 10.1002/cne.20415

Table 4.

Positional isomers of ketones evoke very similar patterns.

Carbon number Odorant 1 Odorant 2 R value
6 2-hexanone 3-hexanone 0.87
7 2-heptanone 3-heptanone 0.86
7 3-heptanone 4-heptanone 0.89
7 2-heptanone 4-heptanone 0.89