7,8-dihydroneopterin => 6-hydroxymethyl-7,8-dihydropterin + glycolaldehyde
7,8-dihydroneopterin => 6-hydroxymethyl-7,8-dihydropterin + glycolaldehyde
7,8-dihydroneopterin => 6-hydroxymethyl-7,8-dihydropterin + glycolaldehyde
7,8-dihydroneopterin => 6-hydroxymethyl-7,8-dihydropterin + glycolaldehyde