On Sep 26, 2010, at 6:34 AM, Egon Willighagen wrote:

> On Fri, Sep 24, 2010 at 2:15 PM, Egon Willighagen
> <[email protected]> wrote:
>> On Fri, Sep 24, 2010 at 2:11 PM, Rajarshi Guha <[email protected] 
>> > wrote:
>>> n1nncn1 doesn't seem to be a valid SMILES - you're missing a H.
>>
>> Arghh... should have checked for that... :(
>
> OK, I updated my use case to look like:
>
> SMILES: [nH]1nncn1
> SMARTS:[$(n1nncn1)]
>
> But now the SMARTSQueryTool returns me two hits... I would expect one
> unique hit...
>
> Suggestions?


Well Daylight agrees with the number of hits - but to be honest I  
can't work out what the SMARTS is supposed to match. My initial guess  
was that it would match anything connected to a tetrazole -but that  
doesn't match the results

----------------------------------------------------
Rajarshi Guha        | NIH Chemical Genomics Center
http://www.rguha.net | http://ncgc.nih.gov
----------------------------------------------------
The only perfect science is hindsight.



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