Guanosine monophosphate also known as guanylic acid or 5'-GMP belongs to the class of organic compounds known as purine ribonucleoside monophosphates. In particular L-Glutamic acid and guanosine monophosphate can be biosynthesized from xanthylic acid and L-glutamine; which is catalyzed by the enzyme GMP synthase.

Gly-Arg-Gly-Asp-Ser (GRGDS) is a cell binding protein domain derived from the cell-binding region of fibronectin. Osteopontin uses this motif for cell adhesion.

Dipsanoside A is a natural product.