Returns information about spectra associated particular compound identified by cmp_id parameter Returns information for all Open Access spectra in database Returns information about the particular spectrum identified by spc_id parameter Returns information about the particular spectrum identified by spc_id parameter Returns information about spectra associated particular compound identified by cmp_id parameter Returns information for all Open Access spectra in database Returns information about the particular spectrum identified by spc_id parameter Returns information about the particular spectrum identified by spc_id parameter Returns information about spectra associated particular compound identified by cmp_id parameter Returns information for all Open Access spectra in database Returns information about the particular spectrum identified by spc_id parameter Returns information about the particular spectrum identified by spc_id parameter