On Jan 26, 2010, at 12:20 PM, Robert DeLisle wrote:

> you get a different bonding pattern.  See attached.  It appears that babel is 
> having issues with the bonding pattern (due to aromaticity detection?) of the 
> tricycle.

This is clear. I'm sorry, since I'm a bit late coming into this. Can someone 
send me the actual SDF file, so I can see why the aromaticity/kekule assignment 
is failing. Craig did a lot of work for v2.2.3 to make sure this is right. Both 
Craig and I have been hunting down problems like this, and this looks very 
familiar to a number of test cases.

Thanks,
-Geoff
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