Hi All,

 
I was trying to use SMARTSQueryTool to match all aliphatic and aromatic N with 
4 connections.

 [$([NX4+]),$([nX4+])]

 The molecules were read from PubChem SDF files. The query gives me only 
aliphatic, it also gives me things with 3 bonds say N connected to a =O and 2 
others ?

Thanks.



______________________________________
Lochana C. Menikarachchi
Post Doctoral Research Fellow
Department of Pharmaceutical Sciences
School of Pharmacy
69, North Eagleville Rd, Unit 3092
University of Connecticut
Storrs, CT 06269-3092
Lab: 860-486-1591
Home: 860-450-1335
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