Can anyone help me in metabolite assignment to Lc-MS/MS spectra for untargated metabolomics experiment? Is there any free library or databsae?

I am trying untargated metabolomics using Agilent LC-MS/MS but dont have the inbuilt library. Spectra is generated with the information on m/z, retention time, chemical formula. How to annotate...

11 July 2016 824 5 View