See the Waters website.  Why reinvent the wheel?

http://www.waters.com/waters/library.htm?cid=134635960&lid=1518003&utm_content=sf53992780&utm_medium=spredfast&utm_source=linkedin&utm_campaign=Waters+Corporation&xcid=sfwaters-linkedin-BehindTheScience+tc20Biopharm+v-Large+Mol+Biopharm+p-CBU+Multiple/Other+App+Notes+%26+Posters+(no+reg)-sf53992780&sf53992780=1&locale=101

Waters link seems to be amino acids & not the compounds in the original question?

In that case try here.  I am sure they have something;

http://analyteguru.com/?s=nucleotide

You can see some papers relation below

Please find attached paper for the info u seek.

regards,

Madhav

It is possible that Waters have a methodology, they work very similar topics.

this may help http://www.sciencedirect.com/science/article/pii/S0039914011005558

This application note might help..

you can use ion-pair method with C18 column to analyze them. pls check the following article.

Article Identifying Biomarkers of Wharton’s Jelly Mesenchymal Stroma...

good luck

here are two latest papers for LC and LC-MS for quantification of nucleosides