1. TorsionAnalyzer was developed in collaboration between F. Hoffmann-LaRoche, Switzerland, and the Center for Bioinformatics (ZBH) of the University of Hamburg; http://www.biosolveit.de/TorsionAnalyzer/.
2. ACD/Percepta package version 14.0.0 from Advanced Chemistry Development, Inc., Toronto; Ontario 2015, Canada (www.acdlabs.com).
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