1 30W N-(6-formyl-4-oxo-3,4-dihydropteridin-2-yl)acetamide 1.000 2 TKG 1-[[6-(1-$L^{1}-oxidanylethyl)-4-$L^{3}-oxidanylidene-2,3,6,8~{a}-tetrahydropteridin-2-yl]-$L^{2}-azanyl]ethanone 0.944 3 6FP 2-amino-4-oxo-3,4-dihydropteridine-6-carbaldehyde 0.722 4 HHR 6-hydroxymethylpterin 0.722 5 PH2 2-amino-6-hydroxymethyl-7,8-dihydro-3h-pteridin-4-one 0.722 6 Q44 N-(6-oxo-6,9-dihydro-3h-purin-2-yl)acetamide 0.722 7 ZZZ 6-formyltetrahydropterin 0.722