<h3>Please send all feedback to development-at-chemspider-dot-com</h3><i>NOTE: Some operations require a "Security Token". To obtain a token please complete the <a href="/Register.aspx">registration</a> process. Security Token is listed at <a href="/UserProfile.aspx">Profile</a> page.</i> Convert 'what' stuff from 'fromFormat' to 'toFormat'. For the list of values suitable for formats substitution please visit <a href="http://openbabel.sourceforge.net/wiki/List_of_extensions">this site</a>. Returns empty string in case of failure. Convert 'what' stuff from 'fromFormat' to 'toFormat'. For the list of values suitable for formats substitution please visit <a href="http://openbabel.sourceforge.net/wiki/List_of_extensions">this site</a>. Returns empty string in case of failure. Convert 'what' stuff from 'fromFormat' to 'toFormat'. For the list of values suitable for formats substitution please visit <a href="http://openbabel.sourceforge.net/wiki/List_of_extensions">this site</a>. Returns empty string in case of failure. <h3>Please send all feedback to development-at-chemspider-dot-com</h3><i>NOTE: Some operations require a "Security Token". To obtain a token please complete the <a href="/Register.aspx">registration</a> process. Security Token is listed at <a href="/UserProfile.aspx">Profile</a> page.</i>