Putidolumazine

6-Carboxyethyl-7-oxo-8-ribityllumazine

1,2,3,4,7,8-Hexahydro-2,4,7-trioxo-8-(1-deoxy-D-ribitol-1-yl)pteridine-6-propionic acid

6-(2-Carboxyethyl)-7-oxo-8-(1-deoxo-D-ribose-1-yl)-7,8-dihydropteridine-2,4(1H,3H)-dione

1-[6-(2-Carboxyethyl)-1,3,4,7-tetrahydro-2,4,7-trioxopteridin-8(2H)-yl]-1-deoxy-D-ribitol

8-[(2S,3S,4R)-2,3,4,5-Tetrahydroxypentyl]-2,4,7-trioxo-1,2,3,4,7,8-hexahydropteridine-6-propionic acid