Download of osra-1-3-7.pkg (osra-1-3-7.pkg ( external link: SF.net): 5,985,825 bytes) will begin shortly. If not so, click link on the left.
OSRA is a utility designed to convert graphical representations of chemical structures and reactions, as they appear in journal articles, patent documents, textbooks, trade magazines etc., into SMILES or SD file format- a computer recognizable molecular structure
You can find links to the binary executables here: https://sourceforge.net/apps/mediawiki/osra/index.php?title=Download
