Extracts images of chemical structures from PDFs and converts them to usable structure data using the OSRA binaries.An in-progress (incomplete) workflow.This workflow makes use of the External Tool node to access the OSRA structure recognition binaries.So you must have a functioning installation of OSRA and it's dependencies. This may require advanced compiler knowledge on your platform, and may not be a trivial task.OSRA 1.4 is free for both the source & binary distribution. OSRA 2.0...