"Analogue of Pterin Substrate"@en . . . . . . . . . . . . . . . . . . . . . . "2-amino-6-hydroxymethyl-7-methyl-7-phenethyl-7,8-dihydro-3h-pteridin-4-one"@en . . . . . . . "7,8-dihydro-6-hydroxymethyl-7-methyl-7-[2-phenylethyl]-pterin"@en . . . "experimental"@en . . . . . .