Dyspropterin

Pyruvoyl-H4-pterin

6-Pyruvoyl tetrahydropteridine

6-(1,2-Dioxopropyl)-5,6,7,8-tetrahydropterin

1-(2-amino-4-hydroxy-5,6,7,8-tetrahydropteridin-6-yl)propane-1,2-dione

1,2-Propanedione, 1-(2-amino-1,4,5,6,7,8-hexahydro-4-oxo-6-pteridinyl)-