*Experimental version: https://api.labs.datacite.org ‡The character "\" escapes the following character ":" to ensure it is part of the search string rather than the search syntax. †In this instance the three MIME media types are chemical/x-wavefunction, chemical/x-gaussian-checkpoint and chemical/x-gaussian-log. See doi: dbk7cz for chemical MIME (multipurpose internet media extensions).