Erythropterin
AlkaPlorer id: AK046674
Chrysopterin
AlkaPlorer id: AK213886
3-(2-amino-4,6-dioxo-3,4,5,6-tetrahydropteridin-7-yl)-2-hydroxypropanoic acid
AlkaPlorer id: AK268739
(2R)-3-(2-amino-4,6-dioxo-3,5-dihydropteridin-7-yl)-2-hydroxypropanoic acid
AlkaPlorer id: AK353026