I mentioned in my posting about chemical sketchers that some of them might require user registration to use. I am happy to correct that the Tripos one in fact can be accessed without such registration; ie
Thank you for mentioning our Java sketcher in your letter published via chemweb on Tuesday, July 8. The reference should direct users to our sketcher applet, which is actually part of a complete example application for sketching structures and searching databases. The following URL takes the user there more directly:
http://www.tripos.com/DNet/applications/SandF/doc/example.html
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