Suggested Reaction 1.5.4.-

Left

6,7-Dihydrobiopterin
+1,4-Dithiothreitol

Right

2-Amino-6-(1,2-dihydroxypropyl)-5,6,7,8-tetrahydoro-4(1H)- pteridinone
+Oxidized dithiothreitol

[BiSSCat | GREP ]